| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 38813 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Sep 30 14:54 |
| Time of closest approach (UTC) | 2023 Jun 15 20:49:59.453 |
| Minimum distance | 1683.107 km |
| Height difference | -6.653 km |
| Relative speed | 11.933 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 65.6°S, 18.7°E |
| Height | 870 km |
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