Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2020   06:44:36   (  -0.04, -75.19) (   0.75, -78.61)  390.23                80
 08/03/2020   06:28:21   (  -0.04, -75.19) (  -0.32, -74.04)  132.08                80
 08/04/2020   18:47:18   (   0.05, -75.19) (  -0.89, -79.25)  463.07                80
 08/05/2020   18:31:03   (   0.04, -75.20) (   0.18, -74.68)   59.96                80
 08/08/2020   06:30:57   (  -0.05, -75.23) (  -0.03, -75.29)    6.84                80
 08/10/2020   18:33:38   (   0.05, -75.26) (  -0.10, -75.94)   76.99                80
 08/11/2020   18:17:22   (   0.05, -75.28) (   0.91, -71.36)  446.81                80
 08/13/2020   06:36:13   (  -0.06, -75.31) (   0.20, -76.56)  142.39                80
 08/14/2020   06:19:57   (  -0.06, -75.32) (  -0.82, -71.98)  381.42                80
 08/15/2020   18:38:54   (   0.07, -75.34) (  -0.38, -77.20)  212.07                80