| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 31882 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 00:45 |
| Time of closest approach (UTC) | 2023 Jun 13 11:05:04.020 |
| Minimum distance | 2576.161 km |
| Height difference | -10.135 km |
| Relative speed | 9.609 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 57.1°S, 155.2°E |
| Height | 868 km |
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