| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 29766 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Oct 01 23:26 |
| Time of closest approach (UTC) | 2023 Jun 16 07:01:04.429 |
| Minimum distance | 1814.519 km |
| Height difference | -35.792 km |
| Relative speed | 14.720 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 66.1°S, 133.9°W |
| Height | 870 km |
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