Re: Which Iridium satellite?

From: Ralph McConahy (rwmcconahy4@comcast.net)
Date: Sat Feb 28 2009 - 02:17:03 UTC

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Rodney Austin asked:

>>exactly which Iridium satellite was involved? 
>>Some refer to I33 and others to I57. 
>>Clarification please. 

It was Iridium 33.

This can be verified by noticing that the debris from the collision is either from 93-036 (Cosmos 2251) or 97-051.

A list of payloads in from the 97-051 launch looks like this:

  24944  IRIDIUM 29  1997-051A
  24945  IRIDIUM 32  1997-051B
  24946  IRIDIUM 33  1997-051C
  24947  IRIDIUM 27  1997-051D (decayed 1-Feb-2002)
  24948  IRIDIUM 28  1997-051E
  24949  IRIDIUM 30  1997-051F
  24950  IRIDIUM 31  1997-051G

Iridium 29, 32, 28, 30, and 31 are still functional.

Iridium 57 was launched in 1998 (Intl # 98-019B).


  Ralph McConahy
  38.3306N, 75.6970W, -25m (WGS84)

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