Najmniejsza rakieta kosmiczna świata 03.02. o 05:03 z Kagoshima wystrzelona została RN SS-520 No. 5 z dodatkowym trzecim stopniem (SSS-520),
która wyniosła w T+4' 23,6" na orbitę o planowanych parametrach: hp=180 km, ha=1500 km, i=31° nanosatelitę
Tasuki (TRICOM-1R). Rakieta została najmniejszą rakietą orbitalną na świecie, bijąc 48-letni rekord także japońskiej
rakiety L-4S.
http://lk.astronautilus.pl/n180201.htm#03Trzy starty rakiet w trzy dni (1-03.02.2018) BY MICHAŁ MOROZ ON 3 LUTEGO 2018
SS-520Trzeciego lutego na orbitę poleciała japońska rakieta nośna SS-520. Jest to najmniejsza rakieta orbitalna świata. Był to pierwszy udany lot orbitalny tej rakiety, która przedtem trzy razy była używana w misjach suborbitalnych. Start nastąpił o godzinie 6:03 (CET) z kosmodromu Kagoshima. Lot na orbitę trwał bardzo krótko. Po czterech minutach i 24 sekundach satelita ważący 3 kg Tasuki (TRICOM-1R) znalazł się na orbicie o parametrach 187 x 2012 km oraz inklinacji 30,90°. Zbudowany przez Uniwersytet w Tokyo satelita będzie testował nowe technologie obserwacji Ziemi.
#Link do YouTube niepoprawny#
Start rakiety SS-520 / NVS
Zdaniem ekspertów rynkowe zapotrzebowanie na tak małą rakietę orbitalną jest dyskusyjne. Ciekawe jak Japończycy poradzą sobie z tą kwestią i ile lotów tej konstrukcji uda się zrealizować w ciągu najbliższych lat.
(LK, SFN, GSP)
http://kosmonauta.net/2018/02/trzy-starty-w-trzy-dni/#prettyPhotoJapanese sounding rocket shoots for record-breaking orbital launchwritten by William Graham February 2, 2018
(...) The SS-520-4 mission was intended to be a one-off demonstration flight, however JAXA announced that plans for another attempt were underway around the same time that the failure report was published. Saturday’s launch used the same rocket configuration as last year’s launch, with flight number SS-520-5.
The launch took place from a rail launcher the KS Centre launch complex of JAXA’s Uchinoura Space Centre. The KS Centre is primarily used for suborbital launches of S-310, S-520 and SS-520 sounding rockets. Historically, it was the site of Japan’s first orbital launch attempts – made by five Lambda-4S rockets between September 1966 and February 1970 – which concluded with the successful deployment of the country’s first satellite, Osumi. The complex was also used by Kappa, Lambda and MT-135 sounding rockets. (...)
https://www.nasaspaceflight.com/2018/02/japanese-rocket-record-borbital-launch/Souped-up sounding rocket lifts off from Japan with tiny satelliteFebruary 2, 2018 Stephen Clark
(...) U.S. military tracking data published online indicated two objects from the the SS-520-5 launch — presumably the rocket’s third stage and the TRICOM 1R spacecraft — reached an orbit between 118 miles (191 kilometers) and approximately 1,249 miles (2,010 kilometers), tilted at a 30.9-degree angle to the equator.
Here’s an overview of the SS-520-5 rocket’s flight sequence:T+plus 31.7 seconds — First stage burnout at an altitude of 85,000 feet (26 kilometers)
T+plus 1 minute, 7.0 seconds — Nose cone separation at an altitude of 265,000 feet (81 kilometers)
T+plus 1 minute, 8.0 seconds — First stage separation
T+plus 1 minute, 10.5 seconds — Nitrogen attitude control system activation
T+plus 1 minute, 57.6 seconds — Nitrogen attitude control ends
T+plus 2 minutes, 27.0 seconds — Attitude control package jettisoned
T+plus 2 minutes, 37.0 seconds — Flight assessment before second stage ignition
T+plus 2 minutes, 44.0 seconds — Second stage ignition command sent
T+plus 3 minutes — Second stage ignition at an altitude of 111 miles (179 kilometers)
T+plus 3 minutes, 24.4 seconds — Second stage burnout at a speed of 8,050 mph (3.6 kilometers per second)
T+plus 3 minutes, 55.0 seconds — Second stage separation
T+plus 3 minutes, 58.0 seconds — Third stage ignition
T+plus 4 minutes, 23.6 seconds — Third stage burnout
T+plus 7 minutes, 30.0 seconds — TRICOM 1R separation
Developed by the University of Tokyo, the TRICOM 1R CubeSat carries a store and forward communications radio and an Earth-imaging camera.
The project to test the SS-520 sounding rocket’s suitability as a satellite launcher was led by the Japanese Ministry of Economy, Trade and Industry. While there are no existing plans to commercialize the uprated SS-520 as a satellite launcher, Japanese government officials said the project aims to validate low-cost technology and launch operations procedures for a future “nano-launcher” to deploy tiny satellites in orbit on dedicated rides. (...)
https://spaceflightnow.com/2018/02/02/ss-520-5-tricom-1r-test-launch/Japan’s SS-520 CubeSat Launch Vehicle Achieves Success on Second TryFebruary 3, 2018
(...) As a souped-up Sounding Rocket, SS-520-5 was looking at a rapid launch sequence, planning to reach orbit in under four and a half minutes with only 82 seconds of actual powered flight – creating one of the fastest orbital space launches ever attempted.
Firing up its first stage, SS-520-5 shot up from its launch rail at 2:03:00 p.m. local time on Saturday with its aft fins sending the climbing rocket into a spin to provide stabilization as it climbed with a thrust outweighing the vehicle’s mass by a factor of seven. The first stage, standing 6.1 meters tall and holding 1,587 Kilograms of propellant, pushed the vehicle skyward with a peak thrust of 185 Kilonewtons (18,900 Kilogram-force), averaging at 143kN (14,600kgf) over the course of a 31.7-second burn. (...)
http://spaceflight101.com/japan-ss-520-5-launch-success/#A6OOqi0yT30wUjlG.99http://global.jaxa.jp/projects/rockets/s_rockets/http://www.isas.jaxa.jp/en/missions/sounding_rockets/ss-520.htmlTRICOM 1, 1R (Tasuki)SS-520http://www.forum.kosmonauta.net/index.php?topic=2711.msg101160#msg101160