Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/31/2022   10:47:50   (   0.06,-137.30) (  -0.53,-134.59)  308.78                80
 08/01/2022   23:12:58   (  -0.07,-137.30) (  -0.67,-140.00)  308.07                80
 08/02/2022   22:51:53   (  -0.06,-137.30) (   0.36,-135.55)  200.10                80
 08/04/2022   11:16:50   (   0.06,-137.30) (   0.90,-140.91)  412.46                80
 08/05/2022   10:55:45   (   0.06,-137.29) (  -0.13,-136.46)   95.09                80
 08/07/2022   22:59:47   (  -0.05,-137.26) (  -0.10,-137.41)   16.84                80
 08/08/2022   22:44:02   (  -0.05,-137.25) (   0.93,-132.95)  489.81                80
 08/10/2022   11:03:40   (   0.04,-137.23) (   0.26,-138.33)  124.99                80
 08/11/2022   10:47:54   (   0.04,-137.21) (  -0.71,-133.86)  381.39                80
 08/12/2022   23:07:42   (  -0.03,-137.18) (  -0.48,-139.28)  238.74                80
 08/13/2022   22:51:56   (  -0.03,-137.16) (   0.49,-134.81)  267.65                80