RE: possible unid sat seen = sun sync orbit

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Wed Jul 11 2012 - 04:59:25 UTC

  • Next message: Scott Tilley: "Re: possible unid sat seen = sun sync orbit"

    Kevin Fetter wrote:
    
    > While scanning the sky, I noticed a faint fast moving object.
    > 
    > I followed it for as long as possible.
    > 
    > 2 obs and rough orbit
    > 
    > 99999 99 999A   1775 G 20120711030211646 15 25 1835681+110650 37 S
    > 99999 99 999A   1775 G 20120711030223258 15 25 1834490+162168 37 S
    > 
    > UNID
    > 1 99999           12193.12665808 0.00000239  00000-0  50000-4 0    04
    > 2 99999  98.7169 269.9616 0012196 302.9560  99.1057 14.59900686    04
    
    It correlates with either Elisa E24 (11076B / 38008) or Elisa E12 (11076D / 38010).
    
    I suggest slightly different elements:
    
    1 99999U          12193.11866146  .00000238  00000-0  50000-4 0    09
    2 99999  98.2700 269.5520 0012196 302.9806  57.0221 14.59677147    07
    
    The four Elisa satellites have dimensions 0.8 m x 0.6 m x 0.6 m, and mass 130 kg.
    
    Estimated visual magnitude at the time of Kevin's observations, based on dimensions, is mag 8 +/-2.
    
    Ted Molczan
    
    
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