Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/10/2020   06:27:35   (   0.04, -75.21) (   0.01, -74.94)   30.39                80
 01/12/2020   18:32:59   (  -0.05, -75.23) (  -0.11, -75.61)   42.75                80
 01/13/2020   18:11:24   (  -0.04, -75.24) (   0.92, -71.03)  479.76                80
 01/15/2020   06:35:34   (   0.05, -75.26) (   0.28, -76.23)  110.94                80
 01/16/2020   06:13:59   (   0.04, -75.27) (  -0.75, -71.65)  411.81                80
 01/17/2020   18:38:18   (  -0.05, -75.29) (  -0.44, -76.88)  182.16                80
 01/18/2020   18:16:44   (  -0.05, -75.31) (   0.65, -72.32)  341.13                80
 01/20/2020   06:40:54   (   0.06, -75.33) (   0.54, -77.51)  248.21                80
 01/21/2020   06:19:18   (   0.06, -75.35) (  -0.49, -72.94)  275.17                80
 01/22/2020   18:43:38   (  -0.07, -75.38) (  -0.70, -78.17)  318.08                80
 01/23/2020   18:22:02   (  -0.07, -75.40) (   0.33, -73.59)  205.79                80