| Primary satellite | Secondary satellite |
| Name | Vanguard 1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 16 | 31321 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 14 08:42 | 2024 Dec 04 23:37 |
| Time of closest approach (UTC) | 2024 Nov 08 03:41:07.857 |
| Minimum distance | 30.542 km |
| Height difference | 3.230 km |
| Relative speed | 14.107 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 11.0°S, 66.8°W |
| Height | 857 km |
|