| Primary satellite | Secondary satellite |
| Name | BREEZE-M DEB (TANK) | FENGYUN 1C DEB |
| Spacetrack catalog number | 29271 | 33619 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 12:25 | 2021 Apr 11 10:30 |
| Time of closest approach (UTC) | 2021 Mar 08 12:35:00.986 |
| Minimum distance | 142.453 km |
| Height difference | -36.785 km |
| Relative speed | 14.544 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 44.6°N, 126.0°E |
| Height | 944 km |
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