| Primary satellite | Secondary satellite |
| Name | Cosmos 1048 | FENGYUN 1C DEB |
| Spacetrack catalog number | 11111 | 30998 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:57 | 2024 Dec 22 10:19 |
| Time of closest approach (UTC) | 2024 Dec 25 11:03:03.081 |
| Minimum distance | 4.794 km |
| Height difference | -0.473 km |
| Relative speed | 14.902 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 9.0°S, 165.6°E |
| Height | 774 km |
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