Spacecraft information: USA 40 R/B DEB
| 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 | 56.952° |
| Eccentricity | 0.22080 |
| RA ascending node | 20.565 hr |
| Argument perigee | 87.649° |
| Mean anomaly | 297.339° |
| Orbital period | 137.733 min |
| Epoch of osculation | 26 Dec 2025, 06:20 |
Derived Quantities
| Min Altitude | 512.9 km |
| Mean Altitude | 2463.6 km |
| Peak Altitude | 4414.2 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 DEBOrbital History
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