| Primary satellite | Secondary satellite |
| Name | Cosmos 1538 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 14760 | 32155 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 02 20:16 | 2023 Nov 30 12:56 |
| Time of closest approach (UTC) | 2022 Oct 05 09:22:09.671 |
| Minimum distance | 621.442 km |
| Height difference | 65.976 km |
| Relative speed | 3.481 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 23.1°N, 172.3°W |
| Height | 785 km |
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