Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2022   22:49:45   (   0.04,-137.20) (   0.40,-135.63)  178.78                80
 03/16/2022   11:12:04   (  -0.03,-137.20) (   0.85,-141.01)  434.64                80
 03/17/2022   10:51:01   (  -0.03,-137.20) (  -0.16,-136.56)   72.28                80
 03/19/2022   22:57:46   (   0.03,-137.17) (  -0.06,-137.52)   40.93                80
 03/20/2022   22:39:22   (   0.03,-137.16) (   0.96,-133.08)  465.50                80
 03/22/2022   11:01:41   (  -0.03,-137.14) (   0.28,-138.45)  149.19                80
 03/23/2022   10:40:37   (  -0.03,-137.13) (  -0.75,-134.00)  356.68                80
 03/24/2022   23:03:04   (   0.03,-137.09) (  -0.51,-139.41)  264.92                80
 03/25/2022   22:47:20   (   0.02,-137.07) (   0.48,-134.95)  240.63                80
 03/27/2022   11:09:38   (  -0.01,-137.04) (   0.71,-140.33)  374.95                80