| Primary satellite | Secondary satellite |
| Name | SL-16 R/B | METEOR 2-8 DEB |
| Spacetrack catalog number | 28353 | 36349 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 05:40 | 2021 Apr 11 06:56 |
| Time of closest approach (UTC) | 2021 Mar 08 22:19:19.352 |
| Minimum distance | 35.636 km |
| Height difference | -5.619 km |
| Relative speed | 12.763 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 62.5°S, 175.9°W |
| Height | 865 km |
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