Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2022   23:12:57   (  -0.07,-137.30) (  -0.70,-140.00)  308.12                80
 08/02/2022   22:51:53   (  -0.06,-137.30) (   0.33,-135.54)  200.03                80
 08/04/2022   11:16:50   (   0.06,-137.30) (   0.87,-140.92)  412.40                80
 08/05/2022   10:55:45   (   0.06,-137.29) (  -0.10,-136.45)   95.18                80
 08/07/2022   22:59:47   (  -0.05,-137.26) (  -0.07,-137.41)   16.95                80
 08/08/2022   22:44:02   (  -0.05,-137.25) (   0.90,-132.95)  489.71                80
 08/10/2022   11:03:39   (   0.04,-137.23) (   0.30,-138.32)  124.95                80
 08/11/2022   10:47:55   (   0.04,-137.21) (  -0.73,-133.87)  381.39                80
 08/12/2022   23:07:41   (  -0.03,-137.18) (  -0.52,-139.27)  238.88                80
 08/13/2022   22:51:57   (  -0.03,-137.16) (   0.51,-134.82)  267.50                80