| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | SENTINEL 2A |
| Spacetrack catalog number | 35959 | 40697 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 23 08:00 |
| Time of closest approach (UTC) | 2024 Dec 23 19:30:04.279 |
| Minimum distance | 4.392 km |
| Height difference | -4.387 km |
| Relative speed | 14.793 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 52.6°S, 56.3°E |
| Height | 814 km |
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