Mystery satellite number 3 revealed
satellite is Explorer-17, a.k.a Atmospheric Explorer-A or S-6.It
weighed 185 kg. It was launched on a Delta rocket from Cape Canaveral on
3 April 1963. It entered an orbit at 57.6 degrees inclination and altitudes
255-917 km. The initial period was 96.4 minutes and decayed from orbit
on 24 November 1966.
Expert satellite spotters
were: Jos Heyman, Geoff Richards, Steven S. Pietrobon, Gunter Krebs,
Other proposed satellites
I must admit that I have doctored
the picture a little to make things more difficult. I removed the badge
on the technician's suit.
Venera reentry capsule
the Explorer S3
to Space History Notes