| Primary satellite | Secondary satellite |
| Name | STRAND 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39090 | 38068 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Jun 26 12:01 | 2022 Jun 26 12:40 |
| Time of closest approach (UTC) | 2022 May 23 21:45:15.464 |
| Minimum distance | 9.662 km |
| Height difference | 3.437 km |
| Relative speed | 14.895 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 34.4°N, 129.1°E |
| Height | 775 km |
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