| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 30143 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 11:11 | 2023 Sep 28 12:16 |
| Time of closest approach (UTC) | 2023 Jun 07 02:37:42.374 |
| Minimum distance | 623.456 km |
| Height difference | -12.176 km |
| Relative speed | 14.576 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 51.7°S, 79.0°E |
| Height | 860 km |
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