Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2020   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)  394.95                80
 04/21/2020   18:36:30   (   0.01, -75.19) (  -0.36, -76.94)  198.80                80
 04/22/2020   18:20:14   (   0.01, -75.19) (   0.63, -72.35)  323.67                80
 04/24/2020   06:41:45   (  -0.01, -75.19) (   0.50, -77.56)  268.88                80
 04/25/2020   06:20:09   (  -0.01, -75.20) (  -0.49, -72.97)  253.57                80
 04/26/2020   18:41:47   (   0.01, -75.22) (  -0.69, -78.20)  339.92                80
 04/27/2020   18:25:32   (   0.01, -75.23) (   0.36, -73.62)  182.85                80
 04/29/2020   06:47:02   (  -0.00, -75.23) (   0.83, -78.81)  408.98                80
 04/30/2020   06:25:26   (  -0.00, -75.24) (  -0.23, -74.24)  113.79                80
 05/01/2020   18:47:05   (  -0.00, -75.26) (  -0.95, -79.47)  479.41                80