| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | NOAA 16 DEB |
| Spacetrack catalog number | 7714 | 41427 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 09:21 | 2021 Jan 18 23:14 |
| Time of closest approach (UTC) | 2020 Dec 08 13:05:10.433 |
| Minimum distance | 67.941 km |
| Height difference | -3.648 km |
| Relative speed | 3.550 km/s |
| Angle between velocity vectors | 28° |
| Geographic position | 50.4°N, 131.3°E |
| Height | 890 km |
|