Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 28.  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) (   0.44, -77.35)  246.09                80
 07/29/2020   06:23:05   (  -0.03, -75.19) (  -0.57, -72.77)  276.01                80
 07/30/2020   18:42:03   (   0.04, -75.19) (  -0.59, -78.00)  319.69                80
 07/31/2020   18:25:47   (   0.03, -75.20) (   0.42, -73.42)  202.75                80
 08/02/2020   06:44:37   (  -0.04, -75.21) (   0.74, -78.61)  388.26                80
 08/03/2020   06:28:21   (  -0.04, -75.21) (  -0.33, -74.04)  134.59                80
 08/04/2020   18:47:19   (   0.05, -75.23) (  -0.88, -79.25)  459.88                80
 08/05/2020   18:31:03   (   0.04, -75.24) (   0.19, -74.69)   63.68                80
 08/08/2020   06:30:57   (  -0.05, -75.28) (  -0.04, -75.30)    1.86                80
 08/10/2020   18:33:39   (   0.05, -75.32) (  -0.09, -75.94)   70.67                80