| Primary satellite | Secondary satellite |
| Name | COSMOS 2455 | FENGYUN 1C DEB |
| Spacetrack catalog number | 36095 | 30689 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 27 02:57 | 2023 Sep 25 23:24 |
| Time of closest approach (UTC) | 2023 Jun 06 10:33:43.435 |
| Minimum distance | 81.758 km |
| Height difference | 5.491 km |
| Relative speed | 11.536 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 66.8°N, 89.1°E |
| Height | 917 km |
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