Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2020   06:39:21   (  -0.03, -75.19) (   0.43, -77.36)  246.10                80
 07/29/2020   06:23:05   (  -0.03, -75.19) (  -0.58, -72.77)  276.03                80
 07/30/2020   18:42:03   (   0.03, -75.19) (  -0.58, -78.00)  319.61                80
 07/31/2020   18:25:47   (   0.03, -75.20) (   0.43, -73.42)  202.83                80
 08/02/2020   06:44:37   (  -0.04, -75.21) (   0.73, -78.61)  388.22                80
 08/03/2020   06:28:21   (  -0.04, -75.21) (  -0.28, -74.03)  134.64                80
 08/04/2020   18:47:19   (   0.05, -75.23) (  -0.87, -79.26)  459.74                80
 08/05/2020   18:31:02   (   0.04, -75.24) (   0.14, -74.67)   63.83                80
 08/08/2020   06:33:37   (  -0.04, -75.28) (  -0.04, -75.30)    1.70                80