| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 31660 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Sep 22 19:57 |
| Time of closest approach (UTC) | 2023 Jun 12 13:13:09.039 |
| Minimum distance | 934.101 km |
| Height difference | 33.812 km |
| Relative speed | 14.567 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 70.6°N, 29.3°E |
| Height | 823 km |
|