Pioneer 8

  1967-123A

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Pioneer VIII was launched at 1408 on 1967 Dec 13 by Delta E1 from Kennedy. The Delta separated at 1438:44 and the FW4D firead at 1439:29 placing Pioneer VIII in solar orbit. Pioneer VIII was still working in 1996.

Pioneer 8
Date	Time	Event	Orbit
1967 Dec 13	1408:00	Launch by Delta E	CK LC17B
	1408:42	T+0:42 SRM off
	1409:10	T+1:10 SRM sep
	1410:29	T+2:29 Thor S/N 20219 MECO 100 km	-5397 x 262
	1410:33	T+2:33 Delta S/N 20218 burn 6:21
	1416:56	T+8:56 Delta SECO	305 x 494 x 32.9
	1438:44	T+30:44 Delta sep
	1438:58	T+30:58 FW4D S/N 2226-5 burn 34s
	1439:28	T+31:28 FW4D burnout	485 x -4788696 x 32.89
	1439:44	T+31:44 TTS sep from Delta
	1440:28?	FW4D sep
1968 Jan 16		Solar orbit	0.9892 x 1.0880 AU x 0.06 deg, 386.6d
1996 Aug 22		Successful contact on backup TWT