Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2020   06:34:12   (   0.02, -75.13) (   0.15, -75.78)   73.71                80
 03/30/2020   06:12:37   (   0.01, -75.13) (  -0.89, -71.21)  447.82                80
 03/31/2020   18:34:15   (  -0.01, -75.14) (  -0.30, -76.43)  147.53                80
 04/01/2020   18:18:00   (  -0.01, -75.14) (   0.74, -71.86)  374.39                80
 04/03/2020   06:39:30   (   0.01, -75.13) (   0.47, -77.05)  218.57                80
 04/04/2020   06:17:55   (   0.01, -75.14) (  -0.58, -72.47)  303.58                80
 04/05/2020   18:39:33   (  -0.01, -75.15) (  -0.61, -77.70)  290.96                80
 04/06/2020   18:23:17   (  -0.01, -75.16) (   0.43, -73.12)  231.61                80
 04/08/2020   06:44:49   (  -0.01, -75.17) (   0.72, -78.32)  360.59                80
 04/09/2020   06:23:13   (  -0.02, -75.18) (  -0.32, -73.75)  161.99                80