Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2020   06:12:37   (   0.01, -75.13) (  -0.89, -71.20)  447.97                80
 03/31/2020   18:34:15   (  -0.00, -75.14) (  -0.31, -76.43)  147.30                80
 04/01/2020   18:18:00   (  -0.00, -75.14) (   0.74, -71.86)  374.75                80
 04/03/2020   06:39:31   (   0.01, -75.14) (   0.41, -77.06)  217.90                80
 04/04/2020   06:17:54   (   0.01, -75.14) (  -0.57, -72.47)  304.40                80
 04/05/2020   18:39:33   (  -0.02, -75.16) (  -0.61, -77.70)  289.79                80
 04/06/2020   18:23:17   (  -0.01, -75.17) (   0.43, -73.12)  232.47                80
 04/08/2020   06:44:49   (  -0.01, -75.18) (   0.72, -78.32)  359.42                80
 04/09/2020   06:23:13   (  -0.02, -75.19) (  -0.32, -73.75)  163.17                80
 04/10/2020   18:44:52   (   0.03, -75.21) (  -0.80, -78.99)  430.55                80
 04/11/2020   18:28:36   (   0.03, -75.22) (   0.19, -74.40)   92.71                80