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Spacecraft information: DELTA 2 R/B
Launch Details
| Launched | 12 April 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21228 |
| COSPAR ID | 1991-028B |
| Observing |
Current orbital elements
| Inclination | 23.997° |
| Eccentricity | 0.11333 |
| RA ascending node | 13.881 hr |
| Argument perigee | 218.241° |
| Mean anomaly | 133.209° |
| Orbital period | 114.687 min |
| Epoch of osculation | 15 Mar 2026, 15:57 |
Derived Quantities
| Min Altitude | 562.2 km |
| Mean Altitude | 1448.4 km |
| Peak Altitude | 2334.5 km |
Orbital History
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