| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 31148 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 11:11 | 2023 Sep 28 00:03 |
| Time of closest approach (UTC) | 2023 Jun 02 06:41:52.320 |
| Minimum distance | 683.651 km |
| Height difference | 31.908 km |
| Relative speed | 14.732 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 55.2°N, 22.4°W |
| Height | 852 km |
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