| Primary satellite | Secondary satellite |
| Name | DMSP B5D2-6 | FENGYUN 1C DEB |
| Spacetrack catalog number | 21798 | 30899 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 16:35 | 2023 Sep 27 09:25 |
| Time of closest approach (UTC) | 2023 Jun 12 08:42:20.823 |
| Minimum distance | 1129.623 km |
| Height difference | 11.519 km |
| Relative speed | 14.646 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 1.2°N, 161.9°E |
| Height | 848 km |
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