| Primary satellite | Secondary satellite |
| Name | DMSP B5D2-6 | FENGYUN 1C DEB |
| Spacetrack catalog number | 21798 | 31487 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 16:35 | 2023 Sep 29 04:13 |
| Time of closest approach (UTC) | 2023 Jun 13 04:11:26.338 |
| Minimum distance | 435.691 km |
| Height difference | 6.770 km |
| Relative speed | 14.667 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 0.1°S, 49.8°E |
| Height | 830 km |
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