| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | ERS-1 Rocket |
| Spacetrack catalog number | 29784 | 21610 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:28 | 2024 Dec 23 03:41 |
| Time of closest approach (UTC) | 2024 Dec 25 15:21:50.324 |
| Minimum distance | 2.571 km |
| Height difference | -1.800 km |
| Relative speed | 14.382 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 57.1°S, 104.7°E |
| Height | 773 km |
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