| Primary satellite | Secondary satellite |
| Name | STRAND 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39090 | 33762 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 05 02:02 | 2023 Jun 05 13:17 |
| Time of closest approach (UTC) | 2023 Apr 06 05:00:14.535 |
| Minimum distance | 83.752 km |
| Height difference | 1.087 km |
| Relative speed | 3.499 km/s |
| Angle between velocity vectors | 27° |
| Geographic position | 26.4°S, 26.4°E |
| Height | 788 km |
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