Monday, September 20, 2004

Astra 1A

 1988-109B


The Soci'et'e Europ'eene des Satellites (SES), franchised by the Duchy of Luxembourg, ordered Europe's first commercial satellite in 1985 from RCA. The GE-4000 series medium power TV relay satellite was launched in 1988 and became Astra 1A.


Astra 1A 
 

DateTimeEventOrbit  

1988 Dec 11  0033:41  Launch by Ariane (V27)  CSG  
  T+0:03 PAP on 
  T+1:06 PAP sep 
  T+2:29 PAL sep 
  T+3:34 St 1 sep  
  T+3:36 St 2 MES 
  T+4:45 Fairing 
  T+5:45 St 2 sep 
  T+5:49 St 3 MES 
 0051:30  T+17:49 St 3 MECO 
 0053:48  T+20:07 Skynet 4B sep 
 0056:07 T+22:26 SPELDA sep 
 0057:58 T+24:17 Astra 1A sep220? x 35550? x 6.7  
1988 Dec 12  1400?  Star 37XFP burn  1460.8? 35960 x 36580? x 0.4?  
1988 Dec 17    1428.85 35517 x 35772 x 0.2 GEO 60.8W+1.8E 
1989 Jan 3    1419.57 35163 x 35761 x 0.0 GEO 5.1E+4.2E 
1989 Jan 8   braking 1436.48 35783 x 35805 x 0.1 GEO 18.8E+0.1W 
1989 Jan 14    1435.54 35756 x 35794 x 0.0 GEO 19.3E+0.1E 
1989 Jan 30    1435.96 35771 x 35796 x 0.1 GEO 19.2E 
1991 Feb 25    1436.04 35684 x 35885 x 0.0 GEO 18.9E 
1993 Mar 31    1436.03 35762 x 35807 x 0.0 GEO 19.3E 
1995 Oct 20    1436.06 35782 x 35789 x 0.1 GEO 19.3E 
1999 Jun 13    1436.14 35610 x 35964 x 0.1 GEO 19.1E 
2001 Nov 26   mv out 19E 
2001 Dec 31   mv in 5E 
2003 Sep 6    1436.07 35766 x 35805 x 1.9 GEO 5.2E 
2004 Dec 1    1436.06 35766 x 35805 x 3.2 GEO 5.3E 

Sunday, September 19, 2004

Eutelsat 104

 1987-078B


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 
 

DateTimeEventOrbit  

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 

May 13,2026

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