| Primary satellite | Secondary satellite |
| Name | COSMOS 2428 | FENGYUN 1C DEB |
| Spacetrack catalog number | 31792 | 30284 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 10:14 | 2023 Sep 28 17:36 |
| Time of closest approach (UTC) | 2023 Jun 02 05:53:26.651 |
| Minimum distance | 3010.169 km |
| Height difference | 6.299 km |
| Relative speed | 7.649 km/s |
| Angle between velocity vectors | 62° |
| Geographic position | 47.7°N, 150.5°W |
| Height | 863 km |
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