RE: Obs 27 June 2005

From: Ted Molczan (
Date: Wed Jun 29 2005 - 14:26:27 EDT

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    Greg Roberts wrote:
    >     UNFORTUNATELY ELEKTRON 1 #00746 was predicted to go over 
    > at the same time, position and direction so what was observed may have 
    > been a brief flash from ELEKTRON 1 but the impression I had was that 
    > the angular velocity was far too fast for a satellite at ELEKTRON 1's range of
    > 5373 kilometres so I am not entirely convinced that it was ELEKTRON 1.
    The angular velocity between your two points of the faint object of 27 June UTC
    was 0.052 deg/s. XSS-11 and its rocket would have moved at about 0.30 deg/s, so
    most likely you did see Electron 1. Russell Eberst has reported Electron 1
    observations on three occasions: 1994, 1998 and 2002, and it flashed or
    regularly varied on all but 1998.
    Ted Molczan
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