| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1378 Rocket |
| Spacetrack catalog number | 30599 | 13272 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:23 | 2024 Dec 22 16:44 |
| Time of closest approach (UTC) | 2024 Dec 27 20:47:49.682 |
| Minimum distance | 3.739 km |
| Height difference | -0.987 km |
| Relative speed | 7.276 km/s |
| Angle between velocity vectors | 57° |
| Geographic position | 73.1°S, 1.1°W |
| Height | 641 km |
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