| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23088 | 29966 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 22 13:57 | 2022 May 22 12:52 |
| Time of closest approach (UTC) | 2022 Jan 23 20:14:35.093 |
| Minimum distance | 467.441 km |
| Height difference | -0.904 km |
| Relative speed | 12.715 km/s |
| Angle between velocity vectors | 118° |
| Geographic position | 70.6°S, 177.5°W |
| Height | 873 km |
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