Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 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)
 02/18/2020   18:29:40   (  -0.06, -75.18) (  -0.11, -75.39)   23.84                80
 02/19/2020   18:10:45   (  -0.07, -75.18) (   0.93, -70.82)  497.07                80
 02/21/2020   06:34:54   (   0.07, -75.16) (   0.29, -76.00)   96.88                80
 02/22/2020   06:13:19   (   0.07, -75.15) (  -0.75, -71.43)  424.41                80
 02/23/2020   18:37:38   (  -0.08, -75.16) (  -0.44, -76.66)  171.22                80
 02/24/2020   18:16:03   (  -0.08, -75.16) (   0.60, -72.08)  350.65                80
 02/26/2020   06:40:13   (   0.08, -75.16) (   0.56, -77.28)  241.78                80
 02/27/2020   06:18:37   (   0.08, -75.17) (  -0.48, -72.71)  280.32                80
 02/28/2020   18:40:17   (  -0.08, -75.18) (  -0.70, -77.94)  314.21                80
 02/29/2020   18:21:21   (  -0.08, -75.19) (   0.34, -73.37)  208.28                80
 03/02/2020   06:45:31   (   0.09, -75.19) (   0.83, -78.56)  383.32                80