| Primary satellite | Secondary satellite |
| Name | ERS-1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 21610 | 31987 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Jan 29 02:52 | 2023 Jan 29 05:29 |
| Time of closest approach (UTC) | 2022 Dec 03 05:59:52.099 |
| Minimum distance | 176.433 km |
| Height difference | 1.047 km |
| Relative speed | 14.554 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 45.7°S, 110.0°W |
| Height | 773 km |
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