STS-102 Footpad brightness

From: Matson, Robert (ROBERT.D.MATSON@saic.com)
Date: Thu Mar 15 2001 - 12:07:13 PST

  • Next message: Alan Pickup: "Decay watch: 2001 Mar 15"

    Hi All,
    
    Quick "back-of-the-envelope" calculation based on the
    diagram Antonin posted the link to says that the standard
    magnitude of the P.A.D. would be around 11.8, with a
    best-case visual magnitude (zenith pass, good phase angle)
    of around magnitude +9.
    
    However, if this object is at all specular in spots,
    then its flashes could be quite a bit brighter than
    this -- probably within easy binocular reach.
    
    --Rob
    
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