| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 31570 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Sep 25 09:04 |
| Time of closest approach (UTC) | 2023 Jun 11 05:18:08.811 |
| Minimum distance | 1662.235 km |
| Height difference | 128.136 km |
| Relative speed | 14.717 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 7.6°S, 34.2°E |
| Height | 845 km |
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