| Primary satellite | Secondary satellite |
| Name | Cosmos 2278 | FENGYUN 1C DEB |
| Spacetrack catalog number | 23087 | 30041 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 22 20:35 | 2022 May 22 18:49 |
| Time of closest approach (UTC) | 2022 Jan 28 08:07:46.909 |
| Minimum distance | 3019.671 km |
| Height difference | 0.603 km |
| Relative speed | 6.776 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 62.8°N, 36.5°W |
| Height | 851 km |
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