| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 | FENGYUN 1C DEB |
| Spacetrack catalog number | 23087 | 32125 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 15 15:24 | 2022 May 14 11:31 |
| Time of closest approach (UTC) | 2022 Jan 30 15:03:29.192 |
| Minimum distance | 155.296 km |
| Height difference | -15.852 km |
| Relative speed | 14.660 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 55.5°S, 76.2°W |
| Height | 868 km |
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