| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 37327 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 21:03 | 2024 Nov 05 23:56 |
| Time of closest approach (UTC) | 2024 Nov 09 00:16:28.458 |
| Minimum distance | 362.608 km |
| Height difference | -3.312 km |
| Relative speed | 13.264 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 43.9°S, 30.3°W |
| Height | 610 km |
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