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Spacecraft information: XM-1
Launch Details
| Launched | 7 May 2001 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Sea Launch Platform (mobile) |
| Owner | United States |
| NORAD ID | 26761 |
| COSPAR ID | 2001-018A |
| Alternative names |
ROLL |
| Observing |
Current orbital elements
| Inclination | 9.018° |
| Eccentricity | 0.00027 |
| RA ascending node | 4.059 hr |
| Argument perigee | 21.971° |
| Mean anomaly | 169.798° |
| Orbital period | 1454.462 min |
| Epoch of osculation | 31 Aug 2026, 09:57 |
Derived Quantities
| Min Altitude | 36141.0 km |
| Mean Altitude | 36152.4 km |
| Peak Altitude | 36163.9 km |
Launched alongside
BLOCK DM-SL R/BOrbital History
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