Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/24/2020   18:16:03   (  -0.07, -75.16) (   0.59, -72.08)  349.74                80
 02/26/2020   06:40:13   (   0.07, -75.15) (   0.57, -77.28)  243.13                80
 02/27/2020   06:18:37   (   0.07, -75.15) (  -0.47, -72.70)  278.85                80
 02/28/2020   18:40:17   (  -0.07, -75.17) (  -0.72, -77.93)  315.87                80
 02/29/2020   18:24:01   (  -0.07, -75.18) (   0.32, -73.36)  206.48                80
 03/02/2020   06:45:31   (   0.08, -75.18) (   0.85, -78.56)  385.54                80
 03/03/2020   06:23:56   (   0.08, -75.18) (  -0.19, -73.98)  136.81                80
 03/04/2020   18:45:35   (  -0.08, -75.20) (  -0.98, -79.21)  457.51                80
 03/05/2020   18:29:20   (  -0.09, -75.21) (   0.06, -74.64)   65.12                80
 03/08/2020   06:31:55   (   0.09, -75.22) (   0.08, -75.26)    4.26                80