| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 29832 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 24 03:28 | 2023 Sep 24 02:11 |
| Time of closest approach (UTC) | 2023 Jun 06 15:50:00.865 |
| Minimum distance | 115.887 km |
| Height difference | 2.518 km |
| Relative speed | 14.727 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 1.1°N, 72.6°E |
| Height | 848 km |
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