| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | VRSS-1 |
| Spacetrack catalog number | 47059 | 38782 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 23 04:52 |
| Time of closest approach (UTC) | 2024 Dec 26 21:44:26.821 |
| Minimum distance | 2.075 km |
| Height difference | -0.256 km |
| Relative speed | 13.651 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 73.7°S, 88.3°E |
| Height | 657 km |
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