| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Cosmos 836 |
| Spacetrack catalog number | 34022 | 8923 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:37 | 2024 Dec 23 03:14 |
| Time of closest approach (UTC) | 2024 Dec 24 07:15:42.744 |
| Minimum distance | 3.956 km |
| Height difference | 3.899 km |
| Relative speed | 4.956 km/s |
| Angle between velocity vectors | 39° |
| Geographic position | 73.2°S, 70.4°W |
| Height | 788 km |
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