| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 30571 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 14:27 |
| Time of closest approach (UTC) | 2023 Jun 15 12:15:22.108 |
| Minimum distance | 252.491 km |
| Height difference | 0.688 km |
| Relative speed | 14.635 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 50.6°S, 123.9°E |
| Height | 865 km |
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