| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Oscar 14 |
| Spacetrack catalog number | 35453 | 20437 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 19 15:23 | 2024 Dec 23 01:25 |
| Time of closest approach (UTC) | 2024 Dec 23 23:26:33.557 |
| Minimum distance | 3.808 km |
| Height difference | 0.177 km |
| Relative speed | 9.338 km/s |
| Angle between velocity vectors | 77° |
| Geographic position | 69.5°N, 83.1°W |
| Height | 786 km |
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