| Primary satellite | Secondary satellite |
| Name | Cosmos 1048 | FENGYUN 1C DEB |
| Spacetrack catalog number | 11111 | 30015 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:57 | 2024 Dec 22 20:23 |
| Time of closest approach (UTC) | 2024 Dec 23 18:23:29.906 |
| Minimum distance | 1.867 km |
| Height difference | -1.105 km |
| Relative speed | 10.681 km/s |
| Angle between velocity vectors | 91° |
| Geographic position | 71.7°N, 63.0°W |
| Height | 780 km |
|