Eutelsat 104

 1987-078B

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The ECS 4 satellite had a mass of 1175 kg at launch and 700 kg on orbit. Size is 2.4m x 2.2m with 13.8m span. It carried 116 kg of hydrazine. ECS 4 was the lower payload within Spelda, which was 193 kg.

Sylda + VEB + dry stage 3 was 2000 kg, so 1807 kg for the orbiting stage 3 object.

ECS 4 was raised in Dec 2002 by 414 km and replaced by Eurobird 2.

ECS 4
Date	Time	Event	Orbit
1987 Sep 16	0045:31	Launch by Ariane (V19)	CSG ELA1
		T+0:07 PAP on
		T+0:40 PAP sep
		T+2:20 St 1 sep
		T+2:24 St 2 MES
		T+3:31 Fairing sep
		T+4:31 St 2 sep
		T+4:36 St 3 MES
	0102:10	T+16:39 St 3 MECO
	0103:58	T+18:27 Aussat K3 sep
	0107:30	T+21:59 Sylda sep
	0107:35	T+22:04 ECS 4 sep from Stage 3
	0700?	Apo 1
	1130?	Peri 1
	1700?	Apo 2
	2200?	Peri 2
1987 Sep 17			630.80 202 x 35769 x 7.0
	0330?	Apo 3
	0830?	Peri 3
1987 Sep 17	1347	Mage 2 AKM burn at 4th apo
1987 Sep 17			1438.77 35694 x 35983 x 0.2 GEO 26.0W+0.7W
1987 Sep 20			1438.8 35691 x 35987 x 0.2 GEO 27.2W-0.7/d
1987 Sep 27			1426.89 35474 x 35738 x 0.2 GEO 9.9W+2.3E
1987 Oct 4	2200		GEO 8.3E+2/d
1987 Oct 8			1436.12 35756 x 35817 x 0.1 GEO 10.0E
1987 Nov 1		To Eutelsat as I F-4
1987 Nov 5			1436.04 35756 x 35815 x 0.1 GEO 10.0E
1988 Dec 15			1436.03 35747 x 35822 x 0.1 GEO 10.0E
1988 Dec		mv out
1989 Jan 9		mv in
1989 Mar 3			1436.08 35771 x 35801 x 0.1 GEO 13.0E
1991 Feb 20			1436.05 35776 x 35794 x 0.0 GEO 13.0E
1991 Jun 8			1435.95 35773 x 35793 x 0.0 GEO 13.7E+0.03E
1991 Jul?		Move to 7E
1991 Sep 13			1436.12 35773 x 35800 x 0.0 GEO 7.0E
1992 Jan 17			1436.09 35762 x 35810 x 0.0 GEO 7.0E
1993 Feb 9			1436.05 35771 x 35799 x 0.0 GEO 7.0E
1993 Feb		Move to 25E
1993 Feb 12			1436.07 35777 x 35794 x 0.0 GEO 25.4E
1996 Jul 7			1436.04 35763 x 35807 x 2.6 GEO 25.5E
1997 Sep 30			1436.06 35772 x 35799 x 3.4 GEO 25.5E
1999 Jun 15			1436.08 35771 x 35801 x 4.6 GEO 25.4E