| Primary satellite | Secondary satellite |
| Name | Cosmos 1939 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 19046 | 37495 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 01 02:19 | 2022 Jun 28 18:54 |
| Time of closest approach (UTC) | 2022 May 25 15:38:40.928 |
| Minimum distance | 333.207 km |
| Height difference | -3.775 km |
| Relative speed | 14.370 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 67.7°N, 133.9°W |
| Height | 590 km |
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