| Primary satellite | Secondary satellite |
| Name | PAYLOAD A | COSMOS 2251 DEB |
| Spacetrack catalog number | 27430 | 47074 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:18 | 2024 Dec 17 11:46 |
| Time of closest approach (UTC) | 2024 Dec 25 17:22:57.615 |
| Minimum distance | 1.024 km |
| Height difference | -0.881 km |
| Relative speed | 9.860 km/s |
| Angle between velocity vectors | 83° |
| Geographic position | 70.7°N, 71.1°W |
| Height | 800 km |
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