Spacecraft information: BB 2
| 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 | 56170 |
| COSPAR ID | 2023-050J |
| Observing |
Current orbital elements
| Inclination | 81.002° |
| Eccentricity | 0.00103 |
| RA ascending node | 17.430 hr |
| Argument perigee | 82.117° |
| Mean anomaly | 278.115° |
| Orbital period | 104.302 min |
| Epoch of osculation | 10 Dec 2025, 00:43 |
Derived Quantities
| Min Altitude | 961.3 km |
| Mean Altitude | 968.9 km |
| Peak Altitude | 976.4 km |
Launched alongside
CHECKMATE 8 CHECKMATE 5 CHECKMATE 4 CHECKMATE 6 CHECKMATE 7 CHECKMATE 2 CHECKMATE 1 CHECKMATE 3 BB 1Orbital History
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