| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Cosmos 1331 Rocket |
| Spacetrack catalog number | 33842 | 13028 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:43 | 2024 Dec 22 11:51 |
| Time of closest approach (UTC) | 2024 Dec 26 12:23:03.254 |
| Minimum distance | 5.020 km |
| Height difference | 2.953 km |
| Relative speed | 13.804 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 43.3°S, 65.3°E |
| Height | 786 km |
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