| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 31439 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 07:35 |
| Time of closest approach (UTC) | 2023 Jun 13 09:52:11.059 |
| Minimum distance | 162.911 km |
| Height difference | 11.188 km |
| Relative speed | 14.830 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 14.7°S, 43.6°W |
| Height | 847 km |
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