| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19120 | 31544 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 22:56 | 2023 Oct 01 13:59 |
| Time of closest approach (UTC) | 2023 Jun 15 07:50:12.350 |
| Minimum distance | 283.444 km |
| Height difference | -9.537 km |
| Relative speed | 14.653 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 49.2°S, 158.6°W |
| Height | 863 km |
|