| Primary satellite | Secondary satellite |
| Name | SAR-Lupe-1 | COSMOS 2251 DEB |
| Spacetrack catalog number | 29658 | 34448 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Mar 30 19:12 | 2021 Apr 11 11:46 |
| Time of closest approach (UTC) | 2021 Mar 01 19:05:45.175 |
| Minimum distance | 277.451 km |
| Height difference | 22.020 km |
| Relative speed | 14.594 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 75.0°N, 138.6°E |
| Height | 495 km |
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