| Primary satellite | Secondary satellite |
| Name | DUCHIFAT 1 | STARLINK-1631 |
| Spacetrack catalog number | 40021 | 46151 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Sep 15 21:01 | 2024 Sep 16 03:57 |
| Time of closest approach (UTC) | 2024 Aug 05 05:54:21.259 |
| Minimum distance | 3412.459 km |
| Height difference | 27.077 km |
| Relative speed | 15.158 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 79.9°S, 71.1°W |
| Height | 551 km |
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