Launch Details

Launched	7 August 1989
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	44523
COSPAR ID	1989-061BW
Observing

Current orbital elements

Inclination	56.998°
Eccentricity	0.30784
RA ascending node	8.417 hr
Argument perigee	131.815°
Mean anomaly	258.998°
Orbital period	166.086 min
Epoch of osculation	18 Aug 2026, 02:26

See historical orbital elements »

Derived Quantities

Min Altitude	556.7 km
Mean Altitude	3637.8 km
Peak Altitude	6718.9 km

Launched alongside

STS 28 USA 40 USA 41 USA 40 R/B USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB USA 40 R/B DEB