| 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 25 08:23:07.106 |
| Minimum distance | 4.423 km |
| Height difference | 3.527 km |
| Relative speed | 14.732 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 60.6°S, 132.8°W |
| Height | 813 km |
|