| Primary satellite | Secondary satellite |
| Name | FAST 1 (USA 222) | FENGYUN 1C DEB |
| Spacetrack catalog number | 37227 | 32314 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Sep 29 04:34 | 2023 Sep 29 00:57 |
| Time of closest approach (UTC) | 2023 Jun 06 04:06:06.020 |
| Minimum distance | 3624.976 km |
| Height difference | -41.314 km |
| Relative speed | 11.651 km/s |
| Angle between velocity vectors | 100° |
| Geographic position | 54.9°N, 154.1°E |
| Height | 624 km |
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