| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 6324 | 31455 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 16:20 | 2023 Mar 19 18:36 |
| Time of closest approach (UTC) | 2023 Feb 07 16:49:12.445 |
| Minimum distance | 14.684 km |
| Height difference | 3.091 km |
| Relative speed | 14.976 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 2.4°S, 145.7°W |
| Height | 753 km |
|