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Spacecraft information: CHECKMATE 1
Launch Details
| Launched | 1 April 2023 |
| Flight ended | – |
| Status | Operational |
| Category |
Active satellites
|
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 56168 |
| COSPAR ID | 2023-050G |
| Observing |
Current orbital elements
| Inclination | 81.004° |
| Eccentricity | 0.00114 |
| RA ascending node | 16.581 hr |
| Argument perigee | 118.953° |
| Mean anomaly | 241.277° |
| Orbital period | 103.977 min |
| Epoch of osculation | 14 Dec 2025, 19:41 |
Derived Quantities
| Min Altitude | 945.3 km |
| Mean Altitude | 953.6 km |
| Peak Altitude | 962.0 km |
Launched alongside
CHECKMATE 8 CHECKMATE 5 CHECKMATE 4 CHECKMATE 6 CHECKMATE 7 CHECKMATE 2 CHECKMATE 3 BB 2 BB 1Orbital History
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