| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | PSLV R/B |
| Spacetrack catalog number | 38212 | 28651 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:24 | 2024 Dec 23 07:40 |
| Time of closest approach (UTC) | 2024 Dec 28 16:34:03.739 |
| Minimum distance | 5.900 km |
| Height difference | -2.655 km |
| Relative speed | 13.752 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 73.6°N, 128.9°E |
| Height | 686 km |
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