| Primary satellite | Secondary satellite |
| Name | Meteor 1-21 | Sep Motor Cover |
| Spacetrack catalog number | 7714 | 22805 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 09:21 | 2021 Jan 19 13:25 |
| Time of closest approach (UTC) | 2020 Dec 05 13:10:20.547 |
| Minimum distance | 2.583 km |
| Height difference | -2.555 km |
| Relative speed | 14.470 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 8.9°S, 123.8°E |
| Height | 863 km |
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