Spacecraft information: ARIANE 5 R/B
| Launched | 9 December 1999 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | France |
| NORAD ID | 25990 |
| COSPAR ID | 1999-066B |
| Observing |
Current orbital elements
| Inclination | 71.415° |
| Eccentricity | 0.60324 |
| RA ascending node | 20.272 hr |
| Argument perigee | 111.604° |
| Mean anomaly | 359.977° |
| Orbital period | 2603.749 min |
| Epoch of osculation | 24 Jun 2026, 10:55 |
Derived Quantities
| Min Altitude | 18503.4 km |
| Mean Altitude | 56323.0 km |
| Peak Altitude | 94142.7 km |
Launched alongside
XMM-NEWTONOrbital History
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