| Primary satellite | Secondary satellite |
| Name | DOVE 4 | Cosmos 1953 Rocket |
| Spacetrack catalog number | 39430 | 19211 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2021 Mar 06 05:20 | 2021 Mar 06 02:51 |
| Time of closest approach (UTC) | 2021 Jan 20 08:52:31.060 |
| Minimum distance | 47.458 km |
| Height difference | 1.660 km |
| Relative speed | 11.793 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 80.1°S, 110.1°E |
| Height | 660 km |
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