| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39161 | 33784 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2022 Aug 17 10:10 | 2022 Aug 16 21:08 |
| Time of closest approach (UTC) | 2022 Jul 07 04:05:57.293 |
| Minimum distance | 98.731 km |
| Height difference | 4.866 km |
| Relative speed | 13.632 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 73.2°S, 71.1°E |
| Height | 679 km |
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