Navstar 20

 1990-025A

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Navstar SVN 20 (USA 54) was launched on 1990 Mar 26 into plane B-2.

Navstar 20
Date	Time	Event	Orbit
1990 Mar 26	0245:01	Launch by Delta II 6925	CC LC17A
		T+0:56 SRM 1-3,7-9 out
		T+1:01 SRM 4-6 on
		T+1:02 SRM 1-3 sep
		T+1:03 SRM 7-9 sep
		T+1:57 SRM 4-6 off
		T+2:02 SRM 4-6 sep
		T+4:25 MECO
		T+4:31 VECO
		T+4:33 Stage 1 sep
	0249	Stage 2 TIG (T+4:38)
	0249	Fairing sep (T+4:50)
	0256	SECO-1 (T+11:37)	175 x 186? x 35.66?
		T+20:55 spinup
	0305	T+20:58 Delta sep
	0306	T+21:35 TES
	0308	T+23:02 TECO	355.32 171 x 20308 x 37.7
	0309	T+24:55 Stage 3 sep
	0309	T+24:57 Yo weight
1990 Mar 26	0348?	Delta depletion	91.75 182 x 537 x 30.23
1990 Mar 28	0930		354.69 169 x 20270 x 37.56
1990 Mar 29	0446?	Star 37XFP burn
1990 Mar 29	1604		707.61 19766 x 20085 x 54.91
1990 Apr 1	1424		716.16 20060 x 20214 x 55.08
1990 Apr 2	0321		716.00 20059 x 20207 x 55.05
1990 Apr 6	0224		717.80 20092 x 20267 x 55.1