| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | YAOGAN 30 DEB |
| Spacetrack catalog number | 38212 | 42676 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:24 | 2024 Dec 21 19:43 |
| Time of closest approach (UTC) | 2024 Dec 24 07:41:13.257 |
| Minimum distance | 2.747 km |
| Height difference | 2.371 km |
| Relative speed | 14.983 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 57.7°S, 172.7°E |
| Height | 667 km |
|