| Primary satellite | Secondary satellite |
| Name | Cosmos 2026 Rocket | DELTA 1 DEB |
| Spacetrack catalog number | 20046 | 26842 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 15 12:14 | 2021 Jan 14 17:37 |
| Time of closest approach (UTC) | 2020 Dec 04 02:44:01.080 |
| Minimum distance | 7.136 km |
| Height difference | -6.698 km |
| Relative speed | 14.723 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 8.0°N, 33.7°W |
| Height | 984 km |
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