PAYLOAD
IN ORBIT
21553
HEO
Catalog number: 2610
Int designator: 1966-111A
Country/Org.: UNITED STATES OF AMERICA
Orbital period: 138.51 min
Inclination: 99.11 deg
Periapsis: 473.0 km
Launch: Dec. 11, 1966 on board Atlas D | OV1-9 & 10