| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | GAOFEN 2 |
| Spacetrack catalog number | 47059 | 40118 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 23 04:14 |
| Time of closest approach (UTC) | 2024 Dec 24 19:59:05.693 |
| Minimum distance | 4.811 km |
| Height difference | -2.652 km |
| Relative speed | 15.050 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 0.9°S, 162.2°W |
| Height | 629 km |
|