| Primary satellite | Secondary satellite |
| Name | SL-08 R/B | Meteor 2-13 Rocket |
| Spacetrack catalog number | 27819 | 16409 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Apr 22 10:35 | 2021 Apr 22 16:50 |
| Time of closest approach (UTC) | 2021 Mar 05 23:58:07.554 |
| Minimum distance | 19.654 km |
| Height difference | -2.664 km |
| Relative speed | 11.395 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 78.5°S, 154.6°E |
| Height | 980 km |
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