| Primary satellite | Secondary satellite |
| Name | DOVE 4 | deb Kosmos-886 |
| Spacetrack catalog number | 39430 | 9797 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 04:39 | 2021 Mar 05 04:07 |
| Time of closest approach (UTC) | 2021 Jan 20 22:07:02.097 |
| Minimum distance | 82.833 km |
| Height difference | 0.385 km |
| Relative speed | 12.092 km/s |
| Angle between velocity vectors | 104° |
| Geographic position | 65.3°S, 122.5°W |
| Height | 689 km |
|