Wednesday, April 21, 2004

Iridium 38

 1997-069A


Delta Iridium MS-5 was launched on 1997 Nov 9, placing a further five satellites in orbit. The MS-5 launch returned to using the higher 625 x 642 km parking orbit, since the satellite was given a lighter fuel load, reducing mass to 662 kg.

Iridium SV038 raised its orbit in late November, but only reached the engineering orbit of 765 km instead of the operational orbit of 780 km. Its orbit was finally raised to operational height in Apr 1998. 


Iridium 38 
 

DateTimeEventOrbit  

1997 Nov 9  0134:26  Launch by Delta  V SLC2 
 0135  T+1:04 SRM burnout x 6 
 0135  T+1:27 SRM sep 
 0136  T+2:09 SRM burnout x 3 
 0136  T+2:11 SRM sep 
 0138  T+4:20 MECO 
 0138  T+4:34 St 2 TIG 
 0138  T+4:43 Fairing sep 
 0145:39  T+11:13 SECO1  170 x 647 x 86.4 
 0232  T+58:20 TIG 2 
 0232  T+58:36 SECO2  639 x 639 x 86.6 
 0236:56  T+1:02:30 SV1 deploy 
 0246:56  T+1:12:30 SV2 deploy 
 0251:06  T+1:16:40 SV3 deploy 
 0256:06  T+1:21:40 SV4 deploy 
 0259:26  T+1:25:00 SV5 deploy 
 0320  T+1:45:50 Delta depletion  254 x 627 x 83.56 
 0320  T+1:46:05 SECO3 
1997 Nov 9    97.38 625 x 641 x 86.6 
1997 Nov 12    97.40 626 x 642 x 86.6 
1997 Nov 15    97.42 626 x 643 x 86.6 
1997 Nov 20    98.82 699 x 705 x 86.5 
1997 Nov 22    100.03 756 x 762 x 86.5 
1997 Nov 23    100.22 766 x 770 x 86.4 
1997 Nov 28    100.23 768 x 770 x 86.4 
1998 Jan 6    100.24 768 x 771 x 86.4 
1998 Jan 7    100.17 764 x 768 x 86.4 
1998 Feb 4    100.19 765 x 769 x 86.4 
1998 Apr 5    100.20 766 x 769 x 86.4 
1998 Apr 25  100.39 775 x 778 x 86.4 

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