| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 30151 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 24 03:28 | 2023 Sep 24 07:23 |
| Time of closest approach (UTC) | 2023 Jun 04 18:31:09.252 |
| Minimum distance | 205.411 km |
| Height difference | -5.078 km |
| Relative speed | 14.511 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 66.0°S, 168.3°E |
| Height | 870 km |
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