| Primary satellite | Secondary satellite |
| Name | Fermi | OBJECT D |
| Spacetrack catalog number | 33053 | 63213 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 06 08:38 | 2025 Nov 07 05:53 |
| Time of closest approach (UTC) | 2025 Oct 18 18:14:41.443 |
| Minimum distance | 148.555 km |
| Height difference | 2.118 km |
| Relative speed | 11.950 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 25.3°N, 121.7°W |
| Height | 499 km |
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