| Primary satellite | Secondary satellite |
| Name | CUBEBUG 2 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39440 | 35440 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Mar 23 19:40 | 2025 Mar 24 02:26 |
| Time of closest approach (UTC) | 2024 Apr 26 06:39:06.947 |
| Minimum distance | 348.560 km |
| Height difference | 155.676 km |
| Relative speed | 14.459 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 75.2°N, 76.2°E |
| Height | 569 km |
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