Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 12.  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) (  -0.04, -75.01)   18.50                80
 04/16/2020   18:31:13   (   0.01, -75.18) (  -0.10, -75.67)   54.97                80
 04/17/2020   18:14:57   (   0.00, -75.18) (   0.95, -71.09)  467.00                80
 04/19/2020   06:36:28   (  -0.00, -75.18) (   0.25, -76.28)  126.07                80
 04/20/2020   06:14:52   (  -0.00, -75.18) (  -0.80, -71.71)  396.12                80
 04/21/2020   18:36:30   (   0.00, -75.20) (  -0.38, -76.94)  197.63                80
 04/22/2020   18:20:15   (   0.00, -75.21) (   0.67, -72.36)  325.07                80
 04/24/2020   06:41:45   (  -0.00, -75.22) (   0.54, -77.55)  266.80                80
 04/25/2020   06:20:10   (  -0.01, -75.22) (  -0.51, -72.98)  255.85                80