| Primary satellite | Secondary satellite |
| Name | SENTINEL 2A | COSMOS 2251 DEB |
| Spacetrack catalog number | 40697 | 35959 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:00 | 2024 Dec 22 15:36 |
| 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 | 810 km |
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