| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 31089 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 11:11 | 2023 Sep 28 23:33 |
| Time of closest approach (UTC) | 2023 Jun 03 08:54:05.380 |
| Minimum distance | 508.754 km |
| Height difference | 17.213 km |
| Relative speed | 14.448 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 69.0°S, 87.5°E |
| Height | 867 km |
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