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	98.351°
Eccentricity	0.00059
RA ascending node	14.033 hr
Argument perigee	251.970°
Mean anomaly	108.085°
Orbital period	99.836 min
Epoch of osculation	21 May 2026, 11:15

See historical orbital elements »

Derived Quantities

Min Altitude	753.6 km
Mean Altitude	757.9 km
Peak Altitude	762.1 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