Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2020   18:31:13   (   0.01, -75.18) (  -0.10, -75.66)   55.06                80
 04/17/2020   18:14:57   (   0.01, -75.18) (   0.95, -71.09)  466.75                80
 04/19/2020   06:36:27   (  -0.01, -75.17) (   0.24, -76.28)  126.87                80
 04/20/2020   06:14:52   (  -0.01, -75.17) (  -0.81, -71.71)  395.19                80
 04/21/2020   18:36:30   (   0.00, -75.19) (  -0.37, -76.94)  198.42                80
 04/22/2020   18:20:14   (   0.01, -75.20) (   0.62, -72.35)  324.15                80
 04/24/2020   06:41:45   (  -0.01, -75.20) (   0.51, -77.55)  268.25                80
 04/25/2020   06:20:09   (  -0.01, -75.20) (  -0.49, -72.97)  254.30                80
 04/26/2020   18:41:47   (   0.01, -75.23) (  -0.69, -78.20)  339.07                80
 04/27/2020   18:25:31   (   0.01, -75.24) (   0.37, -73.62)  183.80                80
 04/29/2020   06:47:02   (  -0.00, -75.24) (   0.82, -78.82)  407.85                80