| Primary satellite | Secondary satellite |
| Name | SENTINEL 2A | COSMOS 2251 DEB |
| Spacetrack catalog number | 40697 | 33945 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:00 | 2024 Dec 22 18:58 |
| Time of closest approach (UTC) | 2024 Dec 26 21:16:03.045 |
| Minimum distance | 0.806 km |
| Height difference | 0.689 km |
| Relative speed | 14.531 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 68.8°S, 41.2°E |
| Height | 815 km |
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