Rocsat 2

 2004-018A

---

Rocsat-2 was renamed Formosat-2 in Dec 2004. It was an Earth imaging satellite with a secondary science payload for imaging lightning.

Rocsat 2 prime contractor was originally DaimlerChrysler Aerospace but after political problems Matra Marconi Space (later EADS Astrium) got the work. Launch 2003. Mass 764 kg including 50 kg of hydrazine. Size 3?m dia 4?m high. hexagon + panel. First use of Astrosat-500 (Leostar 500XO) bus (Spot 5 derivative).

Initial delivery to 730 km orbit, then boost to operational 891 km orbit.

Launch by Taurus XL/3210 with 92" fairing. Control from NSPO MMC at Hsin-Chu in Taiwan.

ROCSat-2
Date	Time	Event	Orbit
2004 May 20	1747:03	Launch by Taurus XL 3210	V 576E
		T+1:24 Castor 120 sep
		T+2:43 Orion 50SXL burnout
		T+2:47 Orion 50SXL sep
		T+2:50 Orion 50XL burn
		T+2:55 Fairing
		T+4:06 Orion 50XL burnout
		T+5:10 Orion 50XL sep
		T+11:29 Orion 38 burn	-2836 x 714 x 99
	1759	T+12:42 Orion 38 burnout	728 x 740 x 99
	1801	T+14:37 Orion 38 sep
			730 x 743 x 99.1
		T+18:02 CCAM burn complete
		T+40:32 RCS depletion
2004 May 20			99.44 720 x 742 x 99.11
2004 May 23			99.50 725 x 743 x 99.10
2004 May 24			99.71 734 x 755 x 99.11
2004 May 25			100.14 763 x 766 x 99.10
2004 May 27			101.11 809 x 812 x 99.1
2004 May 28			101.54 829 x 833 x 99.1
2004 Jun 2			102.79 890 x 892 x 99.1