| Primary satellite | Secondary satellite |
| Name | Cosmos 1814 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17304 | 31071 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 04:13 | 2023 Sep 25 19:29 |
| Time of closest approach (UTC) | 2023 May 31 05:01:30.477 |
| Minimum distance | 6004.802 km |
| Height difference | -32.308 km |
| Relative speed | 13.104 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 40.5°N, 104.1°E |
| Height | 752 km |
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