Hexagon 4

 1972-079A

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HEXAGON Mission 4 was launched in Oct 1972 and remained in orbit for 3 months. The orbit was manintained regularly until the last orbit of the mission, when the satellite was placed in a more elliptical path.

HEXAGON 4
Date	Time	Event	Orbit
1972 Oct 10	1803	Launch by Titan IIID	V SLC4E
		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
	1810	T+7:44? Stage 2 MECO
	1811	T+8:00 Stage 2 sep
	2029		88.76 156 x 269 x 96.50
1972 Oct 10	2104?	Subsat eject opportunity
1972 Oct 11	1135?	Subsat eject, best guess
1972 Oct 11	2141		88.85 154 x 280 x 96.5
1972 Oct 13	0446		88.72 152 x 270 x 96.5
		Raise perigee
1972 Oct 14	1449		88.75 161 x 263 x 96.5
1972 Oct 17	1218		88.53 157 x 245 x 96.5
		Raise apogee
1972 Oct 18	1159		88.78 152 x 275 x 96.5
1972 Oct 20	0228		88.64 159 x 255 x 96.5
		Raise orbit
	2013		88.82 165 x 267 x 96.5
1972 Oct 21	2028?	SRV-1 recovery
1972 Oct 24	1256		88.48 154 x 244 x 96.5
		Raise orbit
	1723		88.86 174 x 262 x 96.5
1972 Oct 26	0327		88.76 159 x 266 x 96.5
1972 Oct 28	0544		88.56 155 x 251 x 96.5
		Raise orbit
	1902		88.90 166 x 273 x 96.5
1972 Oct 31	2232		88.60 156 x 253 x 96.5
		Raise orbit
1972 Nov 1	1744		88.85 176 x 258 x 96.5
1972 Nov 2	1002		88.78 158 x 269 x 96.4
1972 Nov 3	2133		88.65 157 x 258 x 96.4
		Raise apogee
1972 Nov 5	2054		88.79 154 x 275 x 96.4
1972 Nov 5	1959?	SRV-2 recovery
1972 Nov 8	0932		88.52 152 x 250 x 96.4
		Raise orbit
	1953		88.89 159 x 279 x 96.4
1972 Nov 12	1113		88.59 154 x 255 x 96.4
		Raise orbit
1972 Nov 13	1948		88.76 158 x 267 x 96.4
1972 Nov 16	0528		88.55 155 x 250 x 96.5
		Raise orbit
	1847		88.87 164 x 273 x 96.4
1972 Nov 19	1323		88.62 156 x 256 x 96.4
		Orbit raise
1972 Nov 20	1856		88.89 164 x 274 x 96.4
1972 Nov 23	2002?	SRV-3 recovery opp
1972 Nov 24	0253		88.60 159 x 250 x 96.4
		Raise orbit
	1739		88.88 167 x 270 x 96.4
1972 Nov 28	0303		88.56 159 x 247 x 96.4
		Raise orbit
	1749		88.87 170 x 266 x 96.4
1972 Dec 1	1523		88.60 163 x 246 x 96.5
		Raise orbit
1972 Dec 4	1554		88.75 164 x 260 x 96.5
1972 Dec 5	1237		88.69 164 x 254 x 96.5
		Raise orbit
1972 Dec 6	1812		88.84 167 x 266 x 96.4
1972 Dec 10	0038		88.60 161 x 248 x 96.4
		Raise orbit
	1822		88.85 177 x 257 x 96.4
1972 Dec 13	2320		88.61 160 x 250 x 96.4
		Raise orbit
1972 Dec 15	1220		88.80 163 x 267 x 96.4
1972 Dec 17	0248		88.65 160 x 254 x 96.4
		Raise orbit
1972 Dec 17	2121?	SRV-4 deorbit
1972 Dec 18	0643		88.78 174 x 254 x 96.4
1972 Dec 20	0444		88.57 163 x 244 x 96.4
		Raise orbit
1972 Dec 24	0152		88.87 167 x 269 x 96.4
1972 Dec 27	0352		88.59 163 x 246 x 96.4
		Raise orbit
	1838		88.77 173 x 254 x 96.4
1972 Dec 29	0440		88.66 168 x 248 x 96.4
		Raise orbit
	2057		88.93 184 x 258 x 96.4
1972 Dec 30	1911		88.85 169 x 265 x 96.4
1973 Jan 1			88.74 167 x 256 x 96.4
1973 Jan 3			88.85 172 x 263 x 96.4
1973 Jan 8	1611		88.64 172 x 242 x 96.4
	1909		89.03 120 x 332 x 96.4
	1936?	SRV-4 deorbit opp
1973 Jan 10	2110?	deorbited