RE: Inflatable sphere in multiple satellite launch

Ted Molczan (
Tue, 30 Nov 1999 17:10:40 -0500

> Can someone figure out what its visual magnitude will be ?

History may offer some guidance. Explorer 19 and (63053A) and Explorer 39
(68066A) were 3.6 m aluminized mylar balloons - rather similar to the OCSE to
be launched next week. According to Desmond King-Hele, in his book Observing
Earth Satellites, both were "magnitude 5 at a distance of 1000 km, and were
excellent objects for observing."

Ted Molczan

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