| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1331 |
| Spacetrack catalog number | 30231 | 13027 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:05 | 2024 Dec 23 08:15 |
| Time of closest approach (UTC) | 2024 Dec 28 21:46:01.646 |
| Minimum distance | 5.723 km |
| Height difference | -0.958 km |
| Relative speed | 3.546 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 25.3°S, 11.6°W |
| Height | 793 km |
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