| Primary satellite | Secondary satellite |
| Name | Nadezhda 1 Rocket | Dragsphere 1 |
| Spacetrack catalog number | 20104 | 900 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 17 09:35 | 2021 Apr 17 12:59 |
| Time of closest approach (UTC) | 2021 Mar 04 11:16:06.237 |
| Minimum distance | 5.749 km |
| Height difference | -1.900 km |
| Relative speed | 14.101 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 77.3°N, 60.6°E |
| Height | 1000 km |
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