Navstar 18

 1990-008A

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Navstar 18 (SVN 18/PRN 18, USA 50) was launched into plane F on 1990 Jan 24. It was positioned at plane F-3.

Navstar 18
Date	Time	Event	Orbit
1990 Jan 24	2255:01	Launch by Delta 6925	CC LC17
		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
	2259	Stage 2 TIG (T+4:38)
	2259	Fairing sep (T+4:50)
	2306	SECO-1 (T+11:37)	180 x 500? x 35.66?
		T+20:55 spinup
	2315	T+20:58 Delta sep
	2316	T+21:35 TES
	2318	T+23:02 TECO	355.32 171 x 20308 x 37.7
	2319	T+24:55 Stage 3 sep
	2319	T+24:57 despin weights
1990 Jan 25
	0010?	T+1:05:00? SES-2 depletion
	0011?	T+1:06:20? SECO-2 depletion	180? x 650? x 35.6
	0031?	T+1:36 SES-3? Stage 2 perigee	450 x 1308 x 35.6
			102.6 449 x 1308 x 35.6 (Delta)
1990 Jan 27	0716	Star 37XFP burn
1990 Jan 30			713.60 19974 x 20174 x 54.7
1990 Feb 5			717.96 20086 x 20277 x 54.6
1990 Feb 14		In service
1997 Feb 2		Operating at slot F3
2000 Jan 16			718.04 19989 x 20377 x 54.4