Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2020   06:33:24   (  -0.01, -75.23) (   0.04, -75.51)   31.64                80
 05/06/2020   06:11:47   (  -0.01, -75.24) (  -0.96, -70.92)  491.63                80
 05/07/2020   18:33:27   (   0.01, -75.27) (  -0.17, -76.16)  100.89                80
 05/08/2020   18:17:10   (   0.01, -75.29) (   0.83, -71.57)  422.82                80
 05/10/2020   06:38:40   (  -0.01, -75.31) (   0.34, -76.77)  166.88                80
 05/11/2020   06:17:05   (  -0.01, -75.33) (  -0.72, -72.20)  356.95                80
 05/12/2020   18:38:43   (   0.01, -75.36) (  -0.48, -77.42)  234.98                80
 05/13/2020   18:22:28   (   0.00, -75.39) (   0.58, -72.85)  289.56                80
 05/15/2020   06:43:58   (  -0.00, -75.43) (   0.58, -78.04)  298.41                80
 05/16/2020   06:22:23   (  -0.00, -75.45) (  -0.47, -73.47)  226.41                80
 05/17/2020   18:44:01   (   0.00, -75.50) (  -0.72, -78.69)  364.44                80