Hexagon 10

  1975-051A

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HEXAGON Mission 10 maintained its orbit until around Oct 27; then dipped the perigee to 148 km, went into an elliptical 175 x 272 km orbit, and finally to a 165 x 240 km orbit before deorbiting on Nov 5.

HEXAGON 10
Date	Time	Event	Orbit
1975 Jun 8	1830	Launch by Titan IIID	V SLC 4E
		T+1:49? Stage 1 burn 2:27
		T+1:55 SRM burnout
		T+1:55 SRM sep
		T+4:16 Stage 1 MECO
		T+4:16 Stage 1 sep
		T+4:16 Stage 2 burn
		T+5:05? Fairing
	1837?	T+7:44? Stage 2 MECO
	1838?	T+8:00 Stage 2 sep
			88.8 154 x 269 x 96.4
1975 Jun 8	2056		88.68 156 x 262 x 96.4
	2300?	Subsat eject?
1975 Jun 10			88.78 155 x 272 x 96.4
1975 Jun 24	2043?		SRV-1 recovered
1975 Jul 1			88.74 156 x 267 x 96.4
1975 Jul 28		Mapping camera op 198 last image
1975 Jul 29		SRV-2 recovered
1975 Jul 29	2114?	SRV-5 deorbit opp
	2150?	SRV 1210-5 recovered after 51d
1975 Jul 29			88.71 154 x 267 x 96.3
1975 Aug 3		DB-12 turned off
1975 Aug 16			88.69 152 x 266 x 96.3
1975 Sep 4	2104?	SRV-3 recovered
1975 Sep 13			88.87 153 x 283 x 96.3
1975 Oct 6	2100?	SRV-4 recovered
1975 Oct 7			88.66 146 x 270 x 96.2
1975 Oct 28			88.32 148 x 234 x 96.2
1975 Oct 30			88.92 175 x 267 x 96.3
1975 Nov 5	1200		88.46 165 x 230 x 96.34
1975 Nov 5	2128?	Reentered after 150d