Navstar 51

 2000-025A

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Launch mass was 2032 kg. SVN 51 was placed in slot E-1 replacing GPS II-1.

GPS SVN 51 (IIR-4)
Date	Time	Event	Orbit
2000 May 11	0148:00	Launch by Delta II	CC LC17A
		T+1:06 SRM 1-6 sep
		T+2:11 SRM 7-9 sep
		T+4:20 MECO
		T+4:34 SES
		T+4:50 Fairing sep	-3600 x 130?
	0158	T+10:44 SECO-1	175 x 393 x 36.9?
		T+19:53 SES-2
	0208	T+20:29 SECO-2	200 x 1251 x 37.0
	0209	T+21:59 TES
		T+23:25 TECO
	0213	T+25:19 St 3 sep, 366 km	185 x 20300
	0321	T+1:33 SECO-3	197 x 1331 x 37.6
2000 May 12			356.79 175 x 20395 x 39.1
2000 May 13	1653:30?	Star 37 burn
2000 May 14			712.47 19884 x 20208 x 54.9
2000 May 16			715.25 20012 x 20216 x 54.9