| Primary satellite | Secondary satellite |
| Name | Cosmos 676 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 7434 | 31734 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:48 | 2024 Dec 20 06:07 |
| Time of closest approach (UTC) | 2024 Dec 26 07:56:29.769 |
| Minimum distance | 3.268 km |
| Height difference | -1.657 km |
| Relative speed | 14.514 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 69.6°S, 61.0°W |
| Height | 800 km |
|