Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2020   18:31:02   (   0.05, -75.20) (   0.15, -74.67)   59.95                80
 08/08/2020   06:33:37   (  -0.05, -75.22) (  -0.06, -75.30)    8.16                80
 08/10/2020   18:33:39   (   0.05, -75.26) (  -0.07, -75.94)   77.76                80
 08/11/2020   18:17:22   (   0.05, -75.27) (   0.94, -71.36)  445.95                80
 08/13/2020   06:36:13   (  -0.06, -75.29) (   0.23, -76.56)  143.96                80
 08/14/2020   06:19:56   (  -0.06, -75.31) (  -0.79, -71.97)  379.67                80
 08/15/2020   18:38:55   (   0.07, -75.33) (  -0.35, -77.20)  213.48                80
 08/16/2020   18:22:38   (   0.07, -75.35) (   0.67, -72.62)  310.43                80
 08/18/2020   06:41:29   (  -0.08, -75.38) (   0.44, -77.83)  278.81                80