| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30822 | 12658 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 00:42 | 2024 Dec 23 01:26 |
| Time of closest approach (UTC) | 2024 Dec 28 08:47:11.223 |
| Minimum distance | 4.113 km |
| Height difference | 1.120 km |
| Relative speed | 14.926 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 7.0°S, 16.0°W |
| Height | 808 km |
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