| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 32453 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 24 03:28 | 2023 Sep 23 02:33 |
| Time of closest approach (UTC) | 2023 Jun 02 04:49:58.296 |
| Minimum distance | 604.113 km |
| Height difference | 1.626 km |
| Relative speed | 3.899 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 20.2°N, 115.5°W |
| Height | 846 km |
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