| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 33673 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 13:08 |
| Time of closest approach (UTC) | 2023 Jun 15 21:23:09.387 |
| Minimum distance | 25.946 km |
| Height difference | -2.677 km |
| Relative speed | 14.856 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 10.8°N, 144.9°E |
| Height | 842 km |
|