| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1176 |
| Spacetrack catalog number | 37589 | 11788 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 12:27 | 2024 Dec 22 10:35 |
| Time of closest approach (UTC) | 2024 Dec 23 20:37:01.945 |
| Minimum distance | 1.096 km |
| Height difference | 1.057 km |
| Relative speed | 12.056 km/s |
| Angle between velocity vectors | 110° |
| Geographic position | 64.9°S, 127.5°W |
| Height | 959 km |
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