| Primary satellite | Secondary satellite |
| Name | SENTINEL 2A | COSMOS 2251 DEB |
| Spacetrack catalog number | 40697 | 34721 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:00 | 2024 Dec 23 01:28 |
| Time of closest approach (UTC) | 2024 Dec 26 21:14:44.408 |
| Minimum distance | 4.232 km |
| Height difference | -3.259 km |
| Relative speed | 14.088 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 72.9°S, 48.0°E |
| Height | 816 km |
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