| Primary satellite | Secondary satellite |
| Name | Vanguard 2 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 12 | 36203 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:44 | 2024 Dec 18 23:24 |
| Time of closest approach (UTC) | 2024 Dec 23 23:22:16.368 |
| Minimum distance | 3.563 km |
| Height difference | 2.081 km |
| Relative speed | 11.019 km/s |
| Angle between velocity vectors | 89° |
| Geographic position | 31.1°N, 3.9°W |
| Height | 601 km |
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