| Primary satellite | Secondary satellite |
| Name | DUCHIFAT 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40021 | 34735 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 06 12:47 | 2023 Jun 05 13:47 |
| Time of closest approach (UTC) | 2023 Mar 28 20:43:33.158 |
| Minimum distance | 1377.380 km |
| Height difference | 11.528 km |
| Relative speed | 15.122 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 18.9°N, 95.2°E |
| Height | 571 km |
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