| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | deb Kosmos-886 |
| Spacetrack catalog number | 7714 | 9956 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 09:21 | 2021 Jan 19 06:08 |
| Time of closest approach (UTC) | 2020 Dec 09 11:45:00.146 |
| Minimum distance | 4.129 km |
| Height difference | 3.670 km |
| Relative speed | 14.353 km/s |
| Angle between velocity vectors | 143° |
| Geographic position | 25.1°N, 45.3°W |
| Height | 878 km |
|