Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2020   06:28:30   (  -0.01, -75.18) (  -0.07, -75.02)   18.58                80
 04/16/2020   18:31:12   (   0.01, -75.18) (  -0.12, -75.66)   55.12                80
 04/17/2020   18:14:57   (   0.01, -75.18) (   0.93, -71.09)  466.81                80
 04/19/2020   06:36:27   (  -0.00, -75.17) (   0.27, -76.28)  126.49                80
 04/20/2020   06:14:52   (  -0.00, -75.18) (  -0.78, -71.71)  395.66                80
 04/21/2020   18:36:30   (   0.00, -75.20) (  -0.40, -76.93)  198.05                80
 04/22/2020   18:20:15   (   0.01, -75.20) (   0.65, -72.36)  324.57                80
 04/24/2020   06:41:45   (  -0.01, -75.21) (   0.55, -77.55)  267.56                80
 04/25/2020   06:20:09   (  -0.01, -75.22) (  -0.50, -72.98)  255.02                80
 04/26/2020   18:41:48   (   0.01, -75.24) (  -0.68, -78.20)  338.52                80
 04/27/2020   18:25:32   (   0.01, -75.25) (   0.38, -73.63)  184.37                80