STS-102 Footpad brightness

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

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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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