| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 31384 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 02 02:31 |
| Time of closest approach (UTC) | 2023 Jun 17 01:30:31.059 |
| Minimum distance | 2760.671 km |
| Height difference | -175.333 km |
| Relative speed | 14.681 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 35.8°S, 90.0°W |
| Height | 859 km |
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