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	98.305°
Eccentricity	0.00048
RA ascending node	9.466 hr
Argument perigee	84.656°
Mean anomaly	275.519°
Orbital period	99.756 min
Epoch of osculation	17 Mar 2026, 10:28

See historical orbital elements »

Derived Quantities

Min Altitude	750.6 km
Mean Altitude	754.0 km
Peak Altitude	757.5 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