| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1331 |
| Spacetrack catalog number | 29773 | 13027 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:12 | 2024 Dec 23 08:15 |
| Time of closest approach (UTC) | 2024 Dec 29 04:06:04.713 |
| Minimum distance | 9.932 km |
| Height difference | -1.057 km |
| Relative speed | 10.156 km/s |
| Angle between velocity vectors | 86° |
| Geographic position | 71.1°S, 136.2°E |
| Height | 802 km |
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