| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CZ-4B R/B |
| Spacetrack catalog number | 30959 | 46470 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 11:11 | 2024 Dec 23 01:08 |
| Time of closest approach (UTC) | 2024 Dec 29 16:11:59.488 |
| Minimum distance | 2.006 km |
| Height difference | -1.564 km |
| Relative speed | 11.384 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 65.4°S, 81.9°E |
| Height | 837 km |
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