| Primary satellite | Secondary satellite |
| Name | Cosmos 676 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 7434 | 36188 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:48 | 2024 Dec 20 04:41 |
| Time of closest approach (UTC) | 2024 Dec 25 17:41:31.150 |
| Minimum distance | 4.354 km |
| Height difference | 4.352 km |
| Relative speed | 12.939 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 74.1°N, 63.0°W |
| Height | 773 km |
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