Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2020 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/03/2020   09:48:47   (  -0.01,-128.37) (  -0.78,-124.88)  397.46                80
 08/04/2020   22:10:25   (   0.01,-128.30) (  -0.37,-130.11)  205.94                80
 08/05/2020   21:54:09   (   0.00,-128.29) (   0.64,-125.53)  315.05                80
 08/07/2020   10:15:39   (  -0.00,-128.32) (   0.52,-130.72)  272.70                80
 08/08/2020   09:54:03   (   0.00,-128.31) (  -0.49,-126.14)  247.98                80
 08/09/2020   22:15:40   (   0.00,-128.23) (  -0.71,-131.35)  356.11                80
 08/10/2020   21:59:23   (  -0.00,-128.22) (   0.30,-126.77)  164.35                80
 08/12/2020   10:18:15   (  -0.00,-128.25) (   0.80,-131.98)  424.29                80
 08/13/2020   09:59:18   (  -0.00,-128.23) (  -0.21,-127.39)   95.59                80
 08/15/2020   22:04:39   (   0.01,-128.11) (   0.03,-128.03)    9.48                80