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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #90 dnia: Marzec 07, 2020, 17:44 »
EDIT: Ariane postanowiła, że ma być wymieniony Fregat.
Tak na wszelki wypadek

Soyuz launch with UAE surveillance satellite facing one-month delay
March 6, 2020 Stephen Clark

(...) Russia’s Tass news agency reported Friday that engineers discovered a malfunction on a circuit board in a heating unit on one of the Fregat upper stage’s small control thrusters. According to Tass, Russian teams concluded the malfunction would not pose a risk during launch, but Emirati officials responsible for the Falcon Eye 2 satellite “decided to play it safe.” (...)
https://spaceflightnow.com/2020/03/06/soyuz-launch-with-uae-surveillance-satellite-facing-one-month-delay/

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #91 dnia: Marzec 11, 2020, 20:46 »

STYCZEŃ 2020

07    02:19:00          Canaveral 40      Falcon-9R            Starlink v1.0 x 60
07    15:20:15          Xichang           CZ-3B/G2             TJS-5
15    02:53:05          Taiyuan 9         CZ-2D                Jilin-1 Kuanfu-01, NuSat-7, NuSat-8
16    03:02             Jiuquan           KZ-1A                Yinhe-1
16    21:05-23:00       Kourou 3          Ariane-5ECA          Eutelsat Konnect, GSAT-30
29    14:06:49          Canaveral 40      Falcon-9             Starlink v1.0 x 60
31    02:56             Onenui 1          Electron/Curie       NRO L-151

LUTY 2020

06    21:42:41          Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
09    01:34             Tanegashima Y1    H-2A/202             IGS Optical-7
09    15:48:14          Semnam 2          Simorgh              Zafar-1
10    04:03:00          Canaveral 41      Atlas-5/411          SolO
15    20:21:05          Wallops 0A        Antares-230+         Cygnus-13
17    15:05:55          Canaveral 40      Falcon-9             Starlink v1.0 x 60
18    22:18             Kourou 3          Ariane-5ECA+         JCSat-17, GEO-KOMPSAT-2B
19    21:07:41          Xichang 3         CZ-2D                XJS-C, D, E, F
20    08:24:54          Plesieck 43/3     Sojuz-2.1a/Fregat-M  Kosmos 2545 (Meridian-M 9)

MARZEC 2020

07    04:50:31          Canaveral 40      Falcon-9R            Dragon-20
09    11:55             Xichang 2         CZ-3B/G2             Beidou-3 G2Q
__________________________________________________________________________________________
14    13:35             KSC 39A           Falcon-9R            Starlink v1.0 x 60
16    ??:??             Sriharikota S     GSLV Mk 2            GISAT-1
16   ~18:23             Plesieck 43/3     Sojuz-2.1b/Fregat    Kosmos (Uragan-M)
21    17:07             Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
21    19:14-21:14       Canaveral 41      Atlas-5/551          AEHF-6
23    19:30-23:00       Kodiak 3B         Rocket v3.0          ?
24    01:51:10          Kourou ZLV        Vega                 SSMS POC (kilkadziesiąt różnych satelitów)
27    ??:??             Onenui 1A         Electron/Curie       ANDESITE, 3 x NRO, RAAF M2PF
30    23:21             Canaveral 40      Falcon-9R            SAOCOM-1B, SSO-1 (Capella 2, GNOMES-1, ?)
31    ??:??             Sriharikota       PSLV                 GSat-12R
3D    ??:??             Canaveral 40      Falcon-9R            Starlink v1.0 x 60
??    ??:??             Xichang           CZ-11                CX-6-01 ?
??    ??:??             Xichang           CZ-2C                Yaogan-30-06 A, B, C
??    ??:??             Wenchang 201      CZ-7A                XJY-6
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #92 dnia: Marzec 13, 2020, 20:10 »
Kolejny Beidou
  09.03. o 11:55 z Xichang wystrzelona została RN CZ-3B/G2, która wyniosła na orbitę o parametrach: hp=239 km,
ha=35776 km, i=28,47° geostacjonarnego satelitę nawigacyjnego Beidou-3 G2Q.
http://lk.astronautilus.pl/n200301.htm#02

<a href="http://www.youtube.com/watch?v=by4-Kt3Ig_g" target="_blank">http://www.youtube.com/watch?v=by4-Kt3Ig_g</a>
https://www.youtube.com/watch?v=by4-Kt3Ig_g

China launches new BeiDou navigation satellite
Source: Xinhua| 2020-03-09 22:23:59|Editor: huaxia


China launches a new satellite of the BeiDou Navigation Satellite System (BDS) from the Xichang Satellite Launch Center in southwest China's Sichuan Province, March 9, 2020, only one step away from completing the whole global system. The satellite, the 54th of the BeiDou family, was sent into a geostationary orbit as planned by a Long March-3B carrier rocket. The newly launched satellite is the second geostationary earth orbit satellite of the BDS-3 system, and the last one is expected to be launched in May. (Photo by Guo Wenbin/Xinhua)

XICHANG, March 9 (Xinhua) -- China launched a new satellite of the BeiDou Navigation Satellite System (BDS) from the Xichang Satellite Launch Center in southwest China's Sichuan Province at 7:55 p.m. Monday (Beijing Time), only one step away from completing the whole global system.

The satellite, the 54th of the BeiDou family, was sent into a geostationary orbit as planned by a Long March-3B carrier rocket.

China began to construct its navigation system, named after the Chinese term for the Big Dipper constellation, in the 1990s and started serving the Asia-Pacific Region in 2012. At present, all the first generation BDS-1 satellites have ended operations, and a total of 54 BDS-2 and BDS-3 satellites have been sent into space.

Compared with other navigation systems in the world, the design of the BDS constellation is unique, including medium earth orbit, inclined geosynchronous earth orbit and geostationary earth orbit satellites.

The BDS-3 system will consist of a total of 30 satellites, including 24 medium earth orbit satellites, three geostationary earth orbit satellites and three inclined geosynchronous earth orbit satellites.

The newly launched satellite is the second geostationary earth orbit satellite of the BDS-3 system, and the last one is expected to be launched in May.

The satellite and the carrier rocket were developed by the China Academy of Space Technology (CAST) and the China Academy of Launch Vehicle Technology, respectively.

Space engineers have overcome difficulties during the novel coronavirus epidemic to ensure the success of the mission.

Monday's launch was the 327th mission of the Long March rocket series.

The new satellite has the most functions and signals, the largest size and the longest designed life span among all the BDS-3 satellites, said Chen Zhonggui, chief designer of BDS-3 satellites from CAST.

The satellite is based on the Dongfanghong-3B platform, currently one of the largest satellite platforms being used in China, and can carry more fuels to ensure its long life, said Chen.

The satellite has integrated the functions of navigation and communication. The accuracy of dynamic positioning can reach the decimeter level, according to Liu Tianxiong, deputy chief designer of BDS-3 satellites.

It can provide services for the driverless vehicles, accurate berthing of ships, as well as takeoff and landing of airplanes. It will be widely used in the fields of communication, electric power, finance, mapping, transportation, fishery, agriculture and forestry.

The ability of short message communication has been improved 10 times on this satellite. Users can send a message of over 1,000 Chinese characters at one time as well as pictures via the satellite, quite useful in emergencies.

The satellite's ability to receive signals has also been greatly improved, which could help miniaturize users' terminals, said Pan Yuqian, one of the satellite's designers.

China aims to complete the construction of the BDS constellation in May and provide high-precision, reliable positioning, navigation and timing services anywhere in the world.

http://www.xinhuanet.com/english/2020-03/09/c_138859838.htm

China launches Beidou satellite, aims for completion of navigation network in May
March 9, 2020 Stephen Clark


A Long March 3B rocket lifted off Monday with a Beidou navigation satellite. Credit: Xinhua

A Chinese Long March 3B launcher carried a Beidou satellite into orbit Monday, adding the penultimate satellite to China’s independent navigation fleet before another mission in May completes the constellation to give it a global reach.

The Beidou navigation payload rocketed into space at 1155 GMT (7:55 a.m. EDT; 7:55 p.m. Beijing time) Monday from the Xichang space center in southwestern China’s Sichuan province, according to the state-run Xinhua news agency.

A 184-foot-tall (56-meter) Long March 3B rocket delivered the Beidou navigation satellite into an elliptical, or egg-shaped, geosynchronous transfer orbit. China’s government-owned media declared the launch a success.

China has launched 54 Beidou satellites since 2000, but the launch date has ramped up in recent years. The initial generation of Beidou satellites were designed as prototypes or test platforms, but the Chinese network began limited service over the Asia-Pacific region in 2012.

Chinese officials said the successful launch Monday and a follow-up launch in May will complete the deployment of the Beidou program’s third-generation, or BDS-3, satellite network.

All of the early Beidou satellites have ended their missions, and the Beidou fleet needs 30 satellites for operational global positioning and timing services.

Until now, Chinese military forces have relied on the U.S. military’s Global Positioning System for navigation support.

China designed the Beidou network as an independent version of the GPS network, providing Chinese military and civilian users with a home-grown system in case GPS signals are interrupted during a conflict. Like the GPS network, Russia’s Glonass fleet and Europe’s Galileo navigation constellation, the Beidou system is designed for global service.

The Beidou navigation satellite launched Monday will use its own propulsion system to maneuver into a circular geosynchronous orbit more than 22,000 miles (nearly 36,000 kilometers) over the equator.

Chinese officials said engineers “have overcome difficulties during the novel coronavirus epidemic to ensure the success of the mission,” according to state media.

The Beidou network, named for the Chinese word for the Big Dipper constellation, includes satellites positioned in three different types of orbits.

In December, China launched the last of 24 operational satellites into a medium-altitude orbit more than 13,000 miles above Earth, similar to the orbits used by GPS, Glonass and Galileo satellites.

But unlike the other global navigation systems, the fully-operational Beidou network will include six spacecraft in geosynchronous orbits, with three permanently over the equator and three others in inclined orbits that swing north and south of the equator during each 24-hour orbit.

China launched three satellites into inclined geosynchronous orbit last year, and the spacecraft deployed Monday is the second of three to be permanently stationed over the equator.

The satellite launched Monday was built by the China Academy of Space Technology, part of China’s government-owned aerospace industry, and is based on the DFH-3B satellite platform.

The Beidou satellites “can provide services for the driverless vehicles, accurate berthing of ships, as well as takeoff and landing of airplanes,” Xinhua said. “It will be widely used in the fields of communication, electric power, finance, mapping, transportation, fishery, agriculture and forestry.”

The Beidou satellites also have a communications replay ability.

Chinese smartphones already have the ability to incorporate Beidou navigation data into mapping and tracking apps, and users in dozens of other countries are also using Beidou signals.

China wants to expand usage of the Beidou network worldwide, especially in countries participating in China’s Belt and Road Initiative, a global economic development program and a centerpiece of Beijing’s foreign policy strategy. The Belt and Road Initiative has extended to nearly 70 countries in the Asia-Pacific region, Africa, Europe and the Americas, where China partners with local authorities to fund infrastructure and other drivers of economic growth.

Pakistan’s armed forces, which used to rely on U.S. GPS satellites, is the only military outside China to employ the Beidou network.

https://spaceflightnow.com/2020/03/09/china-launches-beidou-satellite-aims-for-completion-of-navigation-network-in-may/

Successful launch takes China a step closer to completing Beidou navigation constellation
by Andrew Jones — March 9, 2020

(...) The China Aerospace Science and Technology Corp., (CASC), announced launch success just over an hour after liftoff. This was also the first official confirmation of the launch attempt, with airspace closure notices indirectly indicating imminent activity days earlier.

The satellite uses phased array antenna to provide positioning, navigation and timing services. Monday’s launch is the penultimate step in China completing its global Beidou system. (...)

https://spacenews.com/successful-launch-takes-china-a-step-closer-to-completing-beidou-navigation-constellation/

https://www.nasaspaceflight.com/2020/03/long-march-3b-launches-beidou-3g2q/

BD-3 G https://space.skyrocket.de/doc_sdat/bd-3g.htm

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #93 dnia: Marzec 15, 2020, 08:11 »
Astropl, czas startów podajesz w naszym czasie środkowoeuropejskim, czy w lokalnym w miejscu startu ?

Polskie Forum Astronautyczne

Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #93 dnia: Marzec 15, 2020, 08:11 »

Offline perian

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #94 dnia: Marzec 15, 2020, 09:31 »
Astropl, czas startów podajesz w naszym czasie środkowoeuropejskim, czy w lokalnym w miejscu startu ?

UTC.

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #95 dnia: Marzec 15, 2020, 14:37 »

STYCZEŃ 2020

07    02:19:00          Canaveral 40      Falcon-9R            Starlink v1.0 x 60
07    15:20:15          Xichang           CZ-3B/G2             TJS-5
15    02:53:05          Taiyuan 9         CZ-2D                Jilin-1 Kuanfu-01, NuSat-7, NuSat-8
16    03:02             Jiuquan           KZ-1A                Yinhe-1
16    21:05-23:00       Kourou 3          Ariane-5ECA          Eutelsat Konnect, GSAT-30
29    14:06:49          Canaveral 40      Falcon-9             Starlink v1.0 x 60
31    02:56             Onenui 1          Electron/Curie       NRO L-151

LUTY 2020

06    21:42:41          Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
09    01:34             Tanegashima Y1    H-2A/202             IGS Optical-7
09    15:48:14          Semnam 2          Simorgh              Zafar-1
10    04:03:00          Canaveral 41      Atlas-5/411          SolO
15    20:21:05          Wallops 0A        Antares-230+         Cygnus-13
17    15:05:55          Canaveral 40      Falcon-9             Starlink v1.0 x 60
18    22:18             Kourou 3          Ariane-5ECA+         JCSat-17, GEO-KOMPSAT-2B
19    21:07:41          Xichang 3         CZ-2D                XJS-C, D, E, F
20    08:24:54          Plesieck 43/3     Sojuz-2.1a/Fregat-M  Kosmos 2545 (Meridian-M 9)

MARZEC 2020

07    04:50:31          Canaveral 40      Falcon-9R            Dragon-20
09    11:55:06          Xichang 2         CZ-3B/G2             Beidou-3 G2Q
__________________________________________________________________________________________
16   ~12:30             Wenchang 201      CZ-7A                XJY-6
16   ~18:23             Plesieck 43/3     Sojuz-2.1b/Fregat    Kosmos (Uragan-M)
18    12:21             KSC 39A           Falcon-9R            Starlink v1.0 x 60
2P    ??:??             Sriharikota S     GSLV Mk 2            GISAT-1
21    17:07             Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
23    19:30-23:00       Kodiak 3B         Rocket v3.0          ?
24    01:51:10          Kourou ZLV        Vega                 SSMS POC (kilkadziesiąt różnych satelitów)
26    18:57-20:57       Canaveral 41      Atlas-5/551          AEHF-6, TDO-2
27    04:43             Onenui 1A         Electron/Curie       ANDESITE, 3 x NRO, RAAF M2PF
30    23:21             Canaveral 40      Falcon-9R            SAOCOM-1B, SSO-1 (Capella 2, GNOMES-1, ?)
31    ??:??             Sriharikota       PSLV                 GSat-12R
3D    ??:??             Canaveral 40      Falcon-9R            Starlink v1.0 x 60
??    ??:??             Xichang           CZ-11                CX-6-01 ?
??    ??:??             Xichang           CZ-2C                Yaogan-30-06 A, B, C
« Ostatnia zmiana: Marzec 15, 2020, 21:45 wysłana przez astropl »
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #96 dnia: Marzec 15, 2020, 15:15 »
No to czekają nas trzy starty w jeden dzień! :)
« Ostatnia zmiana: Marzec 15, 2020, 15:25 wysłana przez astropl »

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #97 dnia: Marzec 15, 2020, 15:25 »
No to czekają nas trzy starty w jeden dzień! :)

Śmiem wątpić, czy Falcon będzie gotów na jutro.

EDIT: Przełożony na środę.
« Ostatnia zmiana: Marzec 15, 2020, 21:46 wysłana przez astropl »
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #98 dnia: Marzec 15, 2020, 22:18 »
Z powodu epidemii koronawirusa kosmodrom Kourou został zamknięty z dniem 15.03.2020 na co najmniej miesiąc. Wszystkie kampanie startowe zostają wstrzymane.
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #99 dnia: Marzec 16, 2020, 15:21 »

STYCZEŃ 2020

07    02:19:00          Canaveral 40      Falcon-9R            Starlink v1.0 x 60
07    15:20:15          Xichang           CZ-3B/G2             TJS-5
15    02:53:05          Taiyuan 9         CZ-2D                Jilin-1 Kuanfu-01, NuSat-7, NuSat-8
16    03:02             Jiuquan           KZ-1A                Yinhe-1
16    21:05-23:00       Kourou 3          Ariane-5ECA          Eutelsat Konnect, GSAT-30
29    14:06:49          Canaveral 40      Falcon-9             Starlink v1.0 x 60
31    02:56             Onenui 1          Electron/Curie       NRO L-151

LUTY 2020

06    21:42:41          Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
09    01:34             Tanegashima Y1    H-2A/202             IGS Optical-7
09    15:48:14          Semnam 2          Simorgh              Zafar-1
10    04:03:00          Canaveral 41      Atlas-5/411          SolO
15    20:21:05          Wallops 0A        Antares-230+         Cygnus-13
17    15:05:55          Canaveral 40      Falcon-9             Starlink v1.0 x 60
18    22:18             Kourou 3          Ariane-5ECA+         JCSat-17, GEO-KOMPSAT-2B
19    21:07:41          Xichang 3         CZ-2D                XJS-C, D, E, F
20    08:24:54          Plesieck 43/3     Sojuz-2.1a/Fregat-M  Kosmos 2545 (Meridian-M 9)

MARZEC 2020

07    04:50:31          Canaveral 40      Falcon-9R            Dragon-20
09    11:55:06          Xichang 2         CZ-3B/G2             Beidou-3 G2Q
16    13:34             Wenchang 201      CZ-7A                XJY-6
__________________________________________________________________________________________
16   ~18:23             Plesieck 43/3     Sojuz-2.1b/Fregat    Kosmos (Uragan-M)
18    12:21             KSC 39A           Falcon-9R            Starlink v1.0 x 60
21    17:07             Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
23    19:30-23:00       Kodiak 3B         Rocket v3.0          ?
26    18:57-20:57       Canaveral 41      Atlas-5/551          AEHF-6, TDO-2
27    04:43             Onenui 1A         Electron/Curie       ANDESITE, 3 x NRO, RAAF M2PF
30    23:21             Canaveral 40      Falcon-9R            SAOCOM-1B, SSO-1 (Capella 2, GNOMES-1, ?)
31    ??:??             Sriharikota       PSLV                 GSat-12R
2P    ??:??             Sriharikota S     GSLV Mk 2            GISAT-1
3D    ??:??             Canaveral 40      Falcon-9R            Starlink v1.0 x 60
??    ??:??             Xichang           CZ-11                CX-6-01 ?
??    ??:??             Xichang           CZ-2C                Yaogan-30-06 A, B, C
Waldemar Zwierzchlejski
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #100 dnia: Marzec 16, 2020, 15:23 »
Co za miesiąc  >:(
Trzy starty przełożone i 1 nieudany

Offline astropl

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #101 dnia: Marzec 16, 2020, 15:36 »
Co za miesiąc  >:(
Trzy starty przełożone i 1 nieudany


Być może jakaś tam orbita jest, bo zdaje się trzeci stopień coś schrzanił, ale na razie brak szczegółów.
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #102 dnia: Marzec 16, 2020, 17:12 »
Ciekawe! Wpływ tego nieudanego startu może być dość szeroki:

Cytuj
So what impact does the LM-7A failure has on China's later launches this year?

- 1st stage/booster engines - LM-5 to 8 affected
- 2nd stage engines - LM-6 & 7 affected
- 3rd stage engines - LM-3 series affected; *maybe* LM-5 (but not LM-5B)
- others - TBD

Ciekawa sytuacja - dużo komponentów jest używanych w innych rakietach.

Offline astropl

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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #103 dnia: Marzec 16, 2020, 20:04 »

STYCZEŃ 2020

07    02:19:00          Canaveral 40      Falcon-9R            Starlink v1.0 x 60
07    15:20:15          Xichang           CZ-3B/G2             TJS-5
15    02:53:05          Taiyuan 9         CZ-2D                Jilin-1 Kuanfu-01, NuSat-7, NuSat-8
16    03:02             Jiuquan           KZ-1A                Yinhe-1
16    21:05-23:00       Kourou 3          Ariane-5ECA          Eutelsat Konnect, GSAT-30
29    14:06:49          Canaveral 40      Falcon-9             Starlink v1.0 x 60
31    02:56             Onenui 1          Electron/Curie       NRO L-151

LUTY 2020

06    21:42:41          Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
09    01:34             Tanegashima Y1    H-2A/202             IGS Optical-7
09    15:48:14          Semnam 2          Simorgh              Zafar-1
10    04:03:00          Canaveral 41      Atlas-5/411          SolO
15    20:21:05          Wallops 0A        Antares-230+         Cygnus-13
17    15:05:55          Canaveral 40      Falcon-9             Starlink v1.0 x 60
18    22:18             Kourou 3          Ariane-5ECA+         JCSat-17, GEO-KOMPSAT-2B
19    21:07:41          Xichang 3         CZ-2D                XJS-C, D, E, F
20    08:24:54          Plesieck 43/3     Sojuz-2.1a/Fregat-M  Meridian-M 9

MARZEC 2020

07    04:50:31          Canaveral 40      Falcon-9R            Dragon-20
09    11:55:06          Xichang 2         CZ-3B/G2             Beidou-3 G2Q
16    13:34             Wenchang 201      CZ-7A                XJY-6
16    18:28:10          Plesieck 43/3     Sojuz-2.1b/Fregat    Kosmos 2545 (Uragan-M)
__________________________________________________________________________________________
18    12:16             KSC 39A           Falcon-9R            Starlink v1.0 x 60
21    17:06             Bajkonur 31/6     Sojuz-2.1b/Fregat-M  OneWeb x 34
23    19:30-23:00       Kodiak 3B         Rocket v3.0          ?
26    18:57-20:57       Canaveral 41      Atlas-5/551          AEHF-6, TDO-2
27    04:43             Onenui 1A         Electron/Curie       ANDESITE, 3 x NRO, RAAF M2PF
30    23:21             Canaveral 40      Falcon-9R            SAOCOM-1B, SSO-1 (Capella 2, GNOMES-1, ?)
31    ??:??             Sriharikota       PSLV                 GSat-12R
2P    ??:??             Sriharikota S     GSLV Mk 2            GISAT-1
??    ??:??             Xichang           CZ-11                CX-6-01 ?
??    ??:??             Xichang           CZ-2C                Yaogan-30-06 A, B, C
« Ostatnia zmiana: Marzec 18, 2020, 08:46 wysłana przez astropl »
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Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #104 dnia: Marzec 17, 2020, 20:06 »
Pierwsza CZ-7A uległa awarii podczas startu
  16.03. o 13:34 z Wenchang wystrzelony został pierwszy egzemplarz RN CZ-7A, która miała wynieść na orbitę
GTO satelitę XJY-6 ( Xinjishu Yanzheng-6). Start zakończył się niepowodzeniem, prawdopodobnie na etapie pracy trzeciego stopnia.
http://lk.astronautilus.pl/n200316.htm#01



Rakietowy poniedziałek (16.03.2020)
BY KRZYSZTOF KANAWKA ON 17 MARCA 2020

W poniedziałek 16 marca 2020 doszło do dwóch startów rakiet orbitalnych. Jeden ze startów zakończył się niepowodzeniem.

Nieudany start CZ-7A

Rakieta CZ-7A wystartowała 16 marca o godzinie 14:34 CET. Lot odbył się z kosmodromu Wenchang. Był to pierwszy start nowej wersji rakiety CZ-7 – ta rakieta została wprowadzona do służby w 2016 roku. Z dostępnych informacji wynika, że pierwszy lot CZ-7A zakończył się niepowodzeniem wskutek nieprawidłowej pracy trzeciego stopnia rakiety. Wynoszony w tym locie satelita o nazwie Xinjishu Yanzheng-6 został utracony.

Rakieta CZ-7A ma kilka elementów wspólnych z innymi chińskimi rakietami. Jeśli rzeczywiście trzeci stopień rakiety zawiódł, wówczas można się spodziewać opóźnień lotów rakiet serii CZ-3 i być może także niektórych wersji rakiety CZ-5.

Jest to drugi nieudany start rakiety orbitalnej w 2020 roku. Pierwszym nieudanym startem był lot/eksplozja irańskiej rakiety Simorgh na początku lutego 2020.
https://kosmonauta.net/2020/03/rakietowy-poniedzialek-16-03-2020/

Launch of China’s new Long March 7A ends in failure
by Andrew Jones — March 16, 2020


The first standard Long March 7 (CZ-7) rolled out in 2016. The Long March 7A has an additional third stage. Credit: CASC

Unspecified failure of Long March 7A launch could impact major missions.

HELSINKI — China’s attempt to launch its first new-generation Long March 7A rocket ended in failure Monday, resulting in a classified satellite apparently failing to enter geosynchronous transfer orbit.

Liftoff from the coastal Wenchang Satellite Launch Center occurred at 9:34 a.m. Eastern. Launch was initially confirmed by images and footage shared online by distant spectators.

The China Aerospace Science and Technology Corp., (CASC), which developed and manufactured the rocket, typically announces launches following declaration of mission success. Similar mission profiles are usually announced to be successful around an hour after launch, but no announcement was made.

State news agency confirmed failure (Chinese) just under two hours after launch, with no cause nor nature of the failure stated. An investigation into the anomaly will follow.

The payload for the launch was earlier stated to be named ‘new technology verification satellite-6’. No further details were released ahead of launch.

Measures to counter the spread of the novel coronavirus have been in force at Wenchang spaceport, though launch campaigns continued.
(...)
https://spacenews.com/launch-of-chinas-new-long-march-7a-ends-in-failure/

China announces failure in first launch of new Long March 7A rocket
March 16, 2020 Stephen Clark


This image of the Long March 7A rocket was posted on Weibo, the Chinese social media platform.

(...) Xinhua said Chinese engineers will investigate the cause of the failure.

The first two flights of the Long March 7 rocket in 2016 and 2017 were successful.

Depending on when in Monday’s mission the failure occurred, the effects of the accident could ripple across China’s space program.

The Long March 7A is powered by four strap-on boosters powered by kerosene-fueled YF-100 engines, and a central core stage with two YF-100 engines. The rocket’s second stage has four YF-115 engines, also fed by kerosene and liquid oxygen, and two hydrogen-fueled YF-75 engines are on the new third stage added to create the Long March 7A configuration.

The YF-100 engines fly on the strap-on boosters of the Long March 5 rocket, the most powerful launcher in China’s fleet. The next Long March 5 launch is scheduled for April on a test flight of a new rocket configuration designed to loft modules for China’s space station.

Another Long March 5 rocket is planned in July to carry China’s first Mars rover into space.

The YF-100 engines also fly on China’s light-class Long March 6 launcher, and the Long March 8 rocket planned for an inaugural flight later the year also uses the YF-100 powerplants.

The Long March 7’s second stage YF-115 engines are also used on the Long March 6.

And versions of the cryogenic YF-75 engine fly on some variants of the Long March 5. The Long March 3B rocket, which China uses to deliver Beidou navigation satellites and communications payloads to high-altitude orbits, also relies on YF-75 engines for its third stage.

Officials released no immediate information about potential delays of future launches stemming from the effects of Monday’s failure

China’s new Long March 5, 6, 7 and 8 rockets are designed to eventually replace the country’s older Long March vehicles, which use toxic propellants and launch from inland spaceports, often dropping spent stages near populated areas.

The Long March 7A rocket is a potential replacement for the Long March 3B for launches with geostationary satellites. The Long March 7, without the addition of the new upper stage, is designed to carry resupply ships to China’s planned space station.

The next launch from Wenchang, where launching rockets drop boosters over the sea instead of land, is the debut flight of the Long March 5B rocket scheduled for April.

Most launch activity in China has continued during the coronavirus outbreak.

Monday’s Long March 7A rocket was the sixth satellite launch attempt by China so far in 2020. The previous five missions were all successful.

https://spaceflightnow.com/2020/03/16/china-announces-failure-in-first-launch-of-new-long-march-7a-rocket/

https://www.nasaspaceflight.com/2020/03/long-march-7a-fails-xinjishu-yanzheng-6/

XJY 6
« Ostatnia zmiana: Marzec 18, 2020, 11:28 wysłana przez Orionid »

Polskie Forum Astronautyczne

Odp: Starty rakiet (I kwartał 2020 roku)
« Odpowiedź #104 dnia: Marzec 17, 2020, 20:06 »