| Primary satellite | Secondary satellite |
| Name | DUCHIFAT 1 | VDNH 80 |
| Spacetrack catalog number | 40021 | 44391 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 08 19:43 | 2021 Mar 08 21:22 |
| Time of closest approach (UTC) | 2021 Jan 22 00:58:46.351 |
| Minimum distance | 21.438 km |
| Height difference | -1.345 km |
| Relative speed | 3.509 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 82.0°S, 75.6°W |
| Height | 613 km |
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