Orbit:

Altitude: 541 km
 Inclination: 43.1º
Inclination 108º

Array Configuration:

9 cubes arranged in 6.25 in diameter hemisphere.

Mission:

 Geosat Follow-On is the Navy’s program to continuously monitor the oceans with a family of altimeter satellites. Due to failure of onboard GPS, SLR provided the only source of precision position data.

Status:

Launched February 10, 1998