Kopernikus 1

 1989-041B

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The Deutsche Fernmeldesatelliten System (DFS) was operated by DBP Telekom. The satellites used a Spacebus 100 bus for German domestic TV relay and communications. DFS 1 was also called Kopernikus 1. Launch mass was 1415 kg, BOL mass 850 kg, and dry mass 645 kg. DFS used a 937 adapter. Stage 3 was 1262 kg (may include 308 kg of jettisoned ullage rocket) dry plus 1294 kg for VEB, Spelda, adapters and residuals. VEB was 534 kg. Fairing was 759 kg.

Total V31 payload 4428 kg.

In Aug 1990 control was given to DBP Telekom/Usingen from GSOC.

DFS 1
Date	Time	Event	Orbit
1989 Jun 5	2237:15	Launch by Ariane 44L V31	CSG ELA2
		T+2:30 PAL sep
		T+3:32 St 1 sep
		T+3:34 St 2 MES
		T+4:21 Fairing sep
		T+5:44 St 2 sep
	2243:03	T+5:48 St 3 MES
	2255:08	T+17:51 St 3 MECO
	2257:38	T+20:23 Superbird sep
	2259:48	T+22:33 Spelda sep
	2302:20	T+25:05 DFS sep
		T+25:10 H10 avoidance	632.72 214 x 35856 x 6.7
1989 Jun 6	0500?	Apo 1
	0930?	Peri 1
	1500?	Apo 2
	2000?	Peri 2
1989 Jun 7	0200?	Apo 3
	0630?	Peri 3
	1200?	Apo 4
	1200?	LAM-1, Apo 4
1989 Jun 9?		LAM-2, Apo 7
1989 Jun 11?		LAM-3, Apo 9
1989 Jun 11			1434.80 35645 x 35877 x 0.2 GEO 22.4E+0.3E
1989 Jun 25			1436.07 35765 x 35806 x 0.1 GEO 26.0E
1989 Jul 8			1436.08 35777 x 35795 x 0.1 GEO 23.5E
1989 Sep 18			1435.95 35757 x 35809 x 0.0 GEO 23.9E
1991 Dec 11			1436.04 35756 x 35814 x 0.0 GEO 23.5E
1993 Feb 2			1436.03 35772 x 35798 x 0.1 GEO 23.6E
1993 Feb 9		mv out
1993 Feb 27		mv in
1993 Mar 27			1436.02 35730 x 35839 x 0.0 GEO 33.3E
1995 Jul 22			1436.02 35770 x 35799 x 0.1 GEO 33.5E
1995 Dec 13			1436.13 35768 x 35806 x 0.1 GEO 32.9E
1995 Dec		Orbit lowered
1995 Dec 14			1433.41 35663 x 35805 x 0.1 GEO 33.6E+0.7E
1995 Dec 21			1430.59 35643 x 35714 x 0.1 GEO 39.7E+1.3E