| Primary satellite | Secondary satellite |
| Name | DOVE 4 | COSMOS 2535 DEB |
| Spacetrack catalog number | 39430 | 44631 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 04:39 | 2021 Mar 04 14:10 |
| Time of closest approach (UTC) | 2021 Jan 19 14:41:05.111 |
| Minimum distance | 0.807 km |
| Height difference | -0.573 km |
| Relative speed | 13.239 km/s |
| Angle between velocity vectors | 122° |
| Geographic position | 73.8°S, 123.7°E |
| Height | 630 km |
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