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Spacecraft information: DELTA 4 R/B
Launch Details
| Launched | 20 December 2004 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 28546 |
| COSPAR ID | 2004-050B |
| Observing |
Current orbital elements
| Inclination | 16.103° |
| Eccentricity | 0.25929 |
| RA ascending node | 21.563 hr |
| Argument perigee | 332.790° |
| Mean anomaly | 242.722° |
| Orbital period | 1044.667 min |
| Epoch of osculation | 11 Dec 2025, 20:57 |
Derived Quantities
| Min Altitude | 18890.6 km |
| Mean Altitude | 27733.5 km |
| Peak Altitude | 36576.5 km |
Launched alongside
DELTA 4 DEMO SPACECRAFTOrbital History
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