| Primary satellite | Secondary satellite |
| Name | Spot 2 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20436 | 30135 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 10 12:13 | 2021 Apr 10 10:31 |
| Time of closest approach (UTC) | 2021 Mar 03 14:49:18.075 |
| Minimum distance | 16.005 km |
| Height difference | -0.749 km |
| Relative speed | 14.667 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 26.6°S, 137.1°W |
| Height | 773 km |
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