| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | SENTINEL-2C |
| Spacetrack catalog number | 35959 | 60989 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:36 | 2024 Dec 23 04:39 |
| Time of closest approach (UTC) | 2024 Dec 24 08:55:03.056 |
| Minimum distance | 4.976 km |
| Height difference | -4.102 km |
| Relative speed | 14.771 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 56.3°S, 143.1°W |
| Height | 816 km |
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