| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 38212 | 42145 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:24 | 2024 Dec 22 00:42 |
| Time of closest approach (UTC) | 2024 Dec 26 05:21:23.185 |
| Minimum distance | 4.958 km |
| Height difference | -0.112 km |
| Relative speed | 14.476 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 42.0°S, 146.0°W |
| Height | 687 km |
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