| Primary satellite | Secondary satellite |
| Name | ERS-1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 21610 | 30979 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Feb 06 19:09 | 2023 Feb 06 06:47 |
| Time of closest approach (UTC) | 2022 Dec 01 03:54:03.466 |
| Minimum distance | 390.722 km |
| Height difference | -16.716 km |
| Relative speed | 13.583 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 66.8°S, 67.3°W |
| Height | 781 km |
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