Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2022   10:48:31   (  -0.00,-137.32) (  -0.87,-133.50)  435.69                80
 12/04/2022   23:11:06   (   0.00,-137.31) (  -0.39,-138.94)  186.09                80
 12/05/2022   22:55:28   (   0.00,-137.31) (   0.64,-134.51)  318.90                80
 12/07/2022   11:17:54   (  -0.00,-137.30) (   0.59,-139.91)  298.19                80
 12/08/2022   10:56:54   (   0.00,-137.29) (  -0.38,-135.47)  206.36                80
 12/09/2022   23:19:31   (  -0.01,-137.26) (  -0.81,-140.92)  416.80                80
 12/10/2022   23:03:51   (  -0.01,-137.25) (   0.16,-136.48)   87.50                80
 12/13/2022   11:07:58   (   0.02,-137.21) (   0.08,-137.44)   26.53                80
 12/14/2022   10:47:00   (   0.02,-137.19) (  -0.95,-133.01)  477.29                80
 12/15/2022   23:09:35   (  -0.02,-137.16) (  -0.30,-138.45)  146.94                80
 12/16/2022   22:53:55   (  -0.02,-137.14) (   0.68,-134.01)  356.66                80