AMSAT OSCAR 10 (or AO-10) was a star-shaped German AMSAT micro-satellite. It was launched on 16 June 1983 from Guiana Space Centre, Kourou, French Guiana, with an Ariane 1 rocket. This was changed to a Molniya orbit using an attached booster, to support world-wide amateur satellite communications.
Specifications COSPAR ID: 1983-058B SATCAT: 14129 Launch mass: Perigee: Apogee: Inclination: 26.6°
Fate
After three years in orbit its onboard computer began to malfunction due to radiation damage to its memory components. Nevertheless, the transponders continued to operate sporadically for almost 20 years.https://amsat-dl.org/en/amsat-phase-3-b-oscar-10/
References