Launch Details

Launched	16 July 1991
Flight ended	–
Status	Non-operational
Launch site	Europe's Spaceport, Kourou, French Guiana
Owner	United Kingdom
NORAD ID	21575
COSPAR ID	1991-050B
Alternative names	UO-22
Observing

Current orbital elements

Inclination	98.367°
Eccentricity	0.00065
RA ascending node	6.978 hr
Argument perigee	213.403°
Mean anomaly	146.675°
Orbital period	99.840 min
Epoch of osculation	02 Feb 2026, 10:57

See historical orbital elements »

Derived Quantities

Min Altitude	753.4 km
Mean Altitude	758.0 km
Peak Altitude	762.7 km

Launched alongside

ERS-1 ORBCOMM-X 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