Intelsat 4A4

 1977-041A

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Intelsat 4A F-4 was launched in May 1977 and used as an Atlantic Ocean satellite. It was moved from 19.5W to Major Path 1 at 34.5W in 1978, and then to a support role at 21.5W in 1983. The orbit was raised in 1989.

Intelsat IVA F-4
Date	Time	Event	Orbit
1977 May 26	2147:01	Launch by Atlas Centaur AC39	CC LC36
		T+2:19 BECO 57 km, 2.492 km/s (Vrel)
		T+2:22 Booster jettison 60 km, 2.519 km/s
		T+3:04 Insulation panels 98 km, 2.867 km/s
		T+4:07 SECO 144 km, 3.6078 km/s
		T+4:09 Atlas sep 146 km, 3.6083 km/s
		T+4:18 Centaur MES-1 152 km, 3.593 km/s
	2151	T+4:30 Fairing 159 km, 3.650 km/s
	2157	T+10:21 MECO-1 189 km, 7.786 km/s	189? x 1810? x 28.1?
	2211	T+24:53 MES-2 558 km, 7.373 km/s
	2213	T+26:18 MECO-2 626 km, 9.407 km/s
	2215	T+28:33 Centaur sep 9.260 km/s	636.74 548 x 35729 x 21.8
1977 May 27	0400?	Apo 1
	1500?	Apo 2
1977 May 28	0050	SVM-4A burn Apo 3	GEO +11.4/d
1977 May 31			1436.17 35779 x 35796 x 0.1 GEO 34.6W+0.03W
1978 Jan 3			1436.11 35778 x 35795 x 0.0 GEO 34.5W
1978 Sep 30		AOR Major Path 1/DL	GEO 34.5W
1979 Jan 4			1436.08 35780 x 35792 x 0.0 GEO 34.6W
1980 Jan 2			1436.15 35780 x 35794 x 0.1 GEO 34.5W
1981 Jan 5			1436.13 35776 x 35798 x 0.1 GEO 34.4W
1982 Jan 5			1436.15 35771 x 35803 x 0.1 GEO 34.5W
1982 Dec		AOR Major Path 1/DL
1983 Feb 13			1436.10 35775 x 35797 x 0.1 GEO 34.4W
1983 Feb		Move to 21W
1983 Feb 21			1436.13 35785 x 35789 x 0.1 GEO 21.6W
1983 Apr		Leased for test operations	GEO 21.5W
1983 Oct 8			1436.09 35784 x 35788 x 0.1 GEO 21.5W
1985 Jul 27			1436.13 35778 x 35796 x 0.1 GEO 21.5W
1986 Jan 3			1436.12 35778 x 35796 x 0.6 GEO 21.5W
1988 Jan 4			1436.15 35775 x 35799 x 2.5 GEO 21.6W
1989 Jul 5			1436.15 35776 x 35798 x 3.8 GEO 21.6W
1989 Aug 9			1436.19 35783 x 35793 x 4.0 GEO 22.2W
1989 Aug 10?		Orbit raise
1989 Sep 10			1448.13 35982 x 36061 x 4.1
1989 Dec 31			1448.1 35970 x 36074 x 4.4
1990 Mar 31			1448.1 35974 x 36068 x 4.6
1993 Dec			1448.2 35969 x 36075 x 7.8
1999 Apr 27			1448.02 35976 x 36062 x 10.9