Launch Details

Launched	16 July 1991
Flight ended	–
Status	Non-operational
Category	Orbcomm
Launch site	Europe's Spaceport, Kourou, French Guiana
Owner	ORBCOMM
NORAD ID	21576
COSPAR ID	1991-050C
Observing

Current orbital elements

Inclination	98.314°
Eccentricity	0.00033
RA ascending node	6.715 hr
Argument perigee	189.286°
Mean anomaly	170.827°
Orbital period	99.758 min
Epoch of osculation	03 Feb 2026, 03:40

See historical orbital elements »

Derived Quantities

Min Altitude	751.8 km
Mean Altitude	754.1 km
Peak Altitude	756.5 km

Launched alongside

ERS-1 UOSAT 5 TUBSAT A SARA ARIANE 40 R/B ARIANE 40 DEB SARA DEB SARA DEB SARA DEB SARA DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB ERS 1 DEB