| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | PSLV DEB |
| Spacetrack catalog number | 37966 | 27130 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 02:27 |
| Time of closest approach (UTC) | 2024 Dec 27 11:36:56.263 |
| Minimum distance | 3.516 km |
| Height difference | 3.304 km |
| Relative speed | 15.065 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 39.1°N, 117.7°E |
| Height | 611 km |
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