| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | Cosmos 773 |
| Spacetrack catalog number | 44549 | 8343 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:07 | 2024 Dec 22 20:41 |
| Time of closest approach (UTC) | 2024 Dec 24 01:31:11.946 |
| Minimum distance | 0.401 km |
| Height difference | 0.373 km |
| Relative speed | 12.351 km/s |
| Angle between velocity vectors | 112° |
| Geographic position | 73.9°N, 129.9°W |
| Height | 791 km |
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