| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | METEOR 2-17 DEB |
| Spacetrack catalog number | 7714 | 28989 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 09:21 | 2021 Jan 18 19:10 |
| Time of closest approach (UTC) | 2020 Dec 09 06:19:55.306 |
| Minimum distance | 46.416 km |
| Height difference | 0.737 km |
| Relative speed | 4.957 km/s |
| Angle between velocity vectors | 39° |
| Geographic position | 81.2°N, 41.4°W |
| Height | 901 km |
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