| Primary satellite | Secondary satellite |
| Name | Cosmos 2251 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 22676 | 30720 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 03:21 | 2023 Sep 30 20:46 |
| Time of closest approach (UTC) | 2023 Jun 14 23:37:56.298 |
| Minimum distance | 48.071 km |
| Height difference | 2.830 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 63.0°N, 26.6°E |
| Height | 794 km |
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