| Primary satellite | Secondary satellite |
| Name | Cosmos 1833 Rocket | NOAA 11 DEB |
| Spacetrack catalog number | 17590 | 37242 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 20 02:06 | 2021 Jan 19 19:32 |
| Time of closest approach (UTC) | 2020 Nov 30 08:30:28.539 |
| Minimum distance | 8.717 km |
| Height difference | -4.309 km |
| Relative speed | 3.843 km/s |
| Angle between velocity vectors | 30° |
| Geographic position | 23.4°N, 13.8°W |
| Height | 837 km |
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