| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 773 |
| Spacetrack catalog number | 30759 | 8343 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2023 Jan 31 12:35 | 2023 Jan 31 21:20 |
| Time of closest approach (UTC) | 2022 Dec 15 20:41:00.374 |
| Minimum distance | 176.430 km |
| Height difference | -3.421 km |
| Relative speed | 14.843 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 47.7°N, 55.1°W |
| Height | 794 km |
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