T.S. Kelso (22 X, 16:30 UTC): 23 X, 8:10 UTC ± ? h
ROSAT_Twitter (22 X, 14:24 UTC): 23 X, 8:00 UTC ± 4 h
USSTRATCOM (22 X, 14:27 UTC): 23 X, 2:34 UTC ± 7 h
Harro Zimmer (22 X, 14:30 UTC): 23 X, 4:17 UTC ± 4 h
Aerospace Corporation (21 X, 20:35 UTC): 23 X, 11:12 UTC ± 10 h
Ted Molczan (21 X, 20:35 UTC): 23 X, 10:22 UTC ± 7 h
DLR (21 X, 20:42 UTC): 22 X, 18:00 UTC - 23 X, 12:00 UTC