Discoverer 18

The launch of NASA Thor DM-21 Agena-B took place on 7 Dec 1960, launching the Discoverer 18 mission. The launch site was Vandenberg, California, United States. The payload was deployed in a LEO orbit at an altitude of 452.

Primary Orbit Parameters

Orbit Type:

LEO

Altitude:

452km

Inclination:

81.5°

Eccentricity:

0.462

Apogee Altitude:

661km

Perigee Altitude:

243km

LTDN:

Launch Site Location