| Primary satellite | Secondary satellite |
| Name | deb Explorer IX | Kosmos-2026 |
| Spacetrack catalog number | 85 | 20045 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Jan 22 13:36 | 2021 Jan 22 13:37 |
| Time of closest approach (UTC) | 2020 Nov 29 06:18:43.891 |
| Minimum distance | 918.365 km |
| Height difference | -26.858 km |
| Relative speed | 12.407 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 18.0°N, 120.3°E |
| Height | 992 km |
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