| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | PSLV R/B |
| Spacetrack catalog number | 34115 | 41791 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:46 | 2024 Dec 23 10:48 |
| Time of closest approach (UTC) | 2024 Dec 28 22:50:34.716 |
| Minimum distance | 1.981 km |
| Height difference | 0.839 km |
| Relative speed | 15.026 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 25.7°N, 133.0°E |
| Height | 660 km |
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