| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 30379 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 14:23 |
| Time of closest approach (UTC) | 2023 Jun 15 03:38:00.561 |
| Minimum distance | 296.456 km |
| Height difference | -1.376 km |
| Relative speed | 14.777 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 24.0°S, 121.5°W |
| Height | 855 km |
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