| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | SL-08 R/B |
| Spacetrack catalog number | 36045 | 27561 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:15 | 2024 Dec 23 03:30 |
| Time of closest approach (UTC) | 2024 Dec 26 18:08:01.458 |
| Minimum distance | 3.162 km |
| Height difference | -0.927 km |
| Relative speed | 14.898 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 30.4°S, 7.4°E |
| Height | 736 km |
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