| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 30257 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 08:33 | 2023 Oct 01 18:51 |
| Time of closest approach (UTC) | 2023 Jun 03 10:15:01.675 |
| Minimum distance | 793.171 km |
| Height difference | 3.607 km |
| Relative speed | 13.819 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 71.1°S, 106.3°W |
| Height | 872 km |
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