| 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 14 10:02 | 2021 Jan 15 05:08 |
| Time of closest approach (UTC) | 2020 Nov 29 06:17:00.210 |
| Minimum distance | 135.306 km |
| Height difference | -1.792 km |
| Relative speed | 12.399 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 21.2°N, 125.8°E |
| Height | 969 km |
|