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	98.346°
Eccentricity	0.00073
RA ascending node	19.493 hr
Argument perigee	13.489°
Mean anomaly	346.650°
Orbital period	99.834 min
Epoch of osculation	13 Aug 2026, 03:06

See historical orbital elements »

Derived Quantities

Min Altitude	752.6 km
Mean Altitude	757.7 km
Peak Altitude	762.9 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