Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2020   18:14:56   (   0.01, -75.18) (   0.91, -71.08)  466.71                80
 04/19/2020   06:36:28   (  -0.01, -75.17) (   0.23, -76.28)  127.03                80
 04/20/2020   06:14:51   (  -0.01, -75.17) (  -0.76, -71.70)  394.98                80
 04/21/2020   18:36:30   (   0.01, -75.19) (  -0.36, -76.94)  198.71                80
 04/22/2020   18:20:14   (   0.01, -75.20) (   0.64, -72.35)  323.79                80
 04/24/2020   06:41:45   (  -0.01, -75.19) (   0.50, -77.56)  268.75                80
 04/25/2020   06:20:09   (  -0.01, -75.20) (  -0.50, -72.97)  253.73                80
 04/26/2020   18:41:47   (   0.01, -75.22) (  -0.68, -78.20)  339.68                80
 04/27/2020   18:25:32   (   0.01, -75.23) (   0.37, -73.63)  183.11                80
 04/29/2020   06:47:02   (  -0.00, -75.23) (   0.82, -78.82)  408.69                80
 04/30/2020   06:25:26   (  -0.00, -75.24) (  -0.24, -74.24)  114.10                80