Launch Details

Launched	17 November 1989
Flight ended	–
Status	Unknown
Launch site	Air Force Western Test Range, California, USA
Owner	United States
NORAD ID	20328
COSPAR ID	1989-089D
Observing

Current orbital elements

Inclination	98.924°
Eccentricity	0.00034
RA ascending node	2.260 hr
Argument perigee	125.365°
Mean anomaly	353.567°
Orbital period	102.513 min
Epoch of osculation	27 Jan 2026, 11:58

See historical orbital elements »

Derived Quantities

Min Altitude	882.2 km
Mean Altitude	884.7 km
Peak Altitude	887.2 km

Launched alongside

COBE DELTA 1 R/B COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB COBE DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB