Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 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)
 05/17/2019   06:34:59   (   0.00, -75.19) (   0.16, -76.00)   91.78                80
 05/18/2019   06:13:23   (   0.00, -75.18) (  -0.82, -71.41)  428.56                80
 05/19/2019   18:35:05   (   0.00, -75.18) (  -0.36, -76.66)  169.90                80
 05/20/2019   18:18:50   (   0.00, -75.17) (   0.68, -72.09)  350.75                80
 05/22/2019   06:40:23   (  -0.01, -75.17) (   0.46, -77.31)  243.01                80
 05/23/2019   06:18:48   (  -0.01, -75.17) (  -0.58, -72.74)  277.85                80
 05/24/2019   18:40:29   (   0.01, -75.18) (  -0.60, -77.99)  319.77                80
 05/25/2019   18:24:15   (   0.01, -75.18) (   0.43, -73.42)  201.70                80
 05/27/2019   06:45:46   (  -0.02, -75.19) (   0.76, -78.62)  390.51                80
 05/28/2019   06:24:12   (  -0.02, -75.20) (  -0.27, -74.05)  131.22                80
 05/29/2019   18:45:53   (   0.02, -75.22) (  -0.90, -79.30)  465.31                80