| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 33724 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:08 | 2023 Sep 30 08:00 |
| Time of closest approach (UTC) | 2023 Jun 12 03:13:00.664 |
| Minimum distance | 256.166 km |
| Height difference | -8.824 km |
| Relative speed | 14.778 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 36.4°S, 50.7°E |
| Height | 856 km |
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