Launch Details

Launched	7 August 1989
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	23351
COSPAR ID	1989-061X
Observing

Current orbital elements

Inclination	56.968°
Eccentricity	0.22351
RA ascending node	12.187 hr
Argument perigee	343.366°
Mean anomaly	10.399°
Orbital period	138.329 min
Epoch of osculation	25 Aug 2025, 20:16

See historical orbital elements »

Derived Quantities

Min Altitude	508.7 km
Mean Altitude	2489.0 km
Peak Altitude	4469.3 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