Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 1 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2020   18:46:35   (  -0.03, -75.20) (  -0.88, -78.89)  421.65                80
 01/07/2020   18:24:59   (  -0.03, -75.20) (   0.15, -74.32)  100.08                80
 01/09/2020   06:49:11   (   0.04, -75.21) (   1.00, -79.52)  491.88                80
 01/10/2020   06:27:35   (   0.04, -75.21) (  -0.03, -74.95)   29.82                80
 01/12/2020   18:32:59   (  -0.04, -75.22) (  -0.12, -75.61)   44.22                80
 01/13/2020   18:11:24   (  -0.04, -75.22) (   0.91, -71.03)  477.89                80
 01/15/2020   06:35:34   (   0.05, -75.24) (   0.28, -76.22)  112.93                80
 01/16/2020   06:13:59   (   0.04, -75.25) (  -0.75, -71.65)  409.52                80
 01/17/2020   18:38:18   (  -0.05, -75.26) (  -0.44, -76.88)  185.12                80
 01/18/2020   18:16:42   (  -0.05, -75.28) (   0.60, -72.31)  337.81                80