| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | SMOS |
| Spacetrack catalog number | 30565 | 36036 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:00 | 2024 Dec 23 02:12 |
| Time of closest approach (UTC) | 2024 Dec 27 22:31:04.770 |
| Minimum distance | 4.855 km |
| Height difference | -3.653 km |
| Relative speed | 7.556 km/s |
| Angle between velocity vectors | 61° |
| Geographic position | 80.3°S, 126.6°W |
| Height | 792 km |
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