| Primary satellite | Secondary satellite |
| Name | POLYITAN 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 40042 | 37488 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 09 02:28 | 2023 May 29 21:17 |
| Time of closest approach (UTC) | 2023 Apr 01 18:06:53.672 |
| Minimum distance | 1817.333 km |
| Height difference | 21.271 km |
| Relative speed | 11.799 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 62.4°N, 132.9°E |
| Height | 593 km |
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