| Primary satellite | Secondary satellite |
| Name | Landsat 7 | deb Kosmos |
| Spacetrack catalog number | 25682 | 18257 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 02:40 | 2021 Jan 15 11:27 |
| Time of closest approach (UTC) | 2020 Nov 29 10:23:16.350 |
| Minimum distance | 51.071 km |
| Height difference | -6.606 km |
| Relative speed | 14.232 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 72.9°N, 140.2°E |
| Height | 715 km |
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