| 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 25 05:01:55.944 |
| Minimum distance | 4.932 km |
| Height difference | -3.634 km |
| Relative speed | 14.738 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 59.9°S, 83.0°W |
| Height | 816 km |
|