Launch Details

Launched	7 August 1989
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	23356
COSPAR ID	1989-061AC
Observing

Current orbital elements

Inclination	56.871°
Eccentricity	0.23689
RA ascending node	14.186 hr
Argument perigee	233.193°
Mean anomaly	102.770°
Orbital period	142.587 min
Epoch of osculation	25 Feb 2026, 19:22

See historical orbital elements »

Derived Quantities

Min Altitude	528.3 km
Mean Altitude	2669.9 km
Peak Altitude	4811.6 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