Launch Details

Launched	30 November 1990
Flight ended	–
Status	Non-operational
Launch site	Air Force Western Test Range, California, USA
Owner	United States
NORAD ID	20978
COSPAR ID	1990-105A
Alternative names	USA 68
Observing

Current orbital elements

Inclination	98.638°
Eccentricity	0.00722
RA ascending node	2.655 hr
Argument perigee	122.640°
Mean anomaly	238.178°
Orbital period	99.999 min
Epoch of osculation	12 Dec 2025, 03:52

See historical orbital elements »

Derived Quantities

Min Altitude	714.1 km
Mean Altitude	765.6 km
Peak Altitude	817.1 km

Launched alongside

DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB DMSP 5D-2 F10 DEB