Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2022   10:54:37   (  -0.04,-137.22) (  -0.07,-137.16)    7.08                80
 01/29/2022   22:56:02   (   0.03,-137.20) (  -0.19,-138.13)  105.61                80
 01/30/2022   22:40:20   (   0.03,-137.19) (   0.83,-133.68)  400.42                80
 02/01/2022   11:02:41   (  -0.03,-137.17) (   0.41,-139.07)  216.81                80
 02/02/2022   10:41:39   (  -0.03,-137.16) (  -0.61,-134.62)  289.01                80
 02/03/2022   23:04:07   (   0.03,-137.14) (  -0.65,-140.04)  330.46                80
 02/04/2022   22:48:25   (   0.03,-137.13) (   0.37,-135.59)  175.36                80
 02/06/2022   11:10:46   (  -0.02,-137.11) (   0.87,-140.98)  441.95                80
 02/07/2022   10:49:43   (  -0.02,-137.09) (  -0.14,-136.54)   63.50                80
 02/09/2022   22:53:49   (   0.01,-137.05) (  -0.08,-137.51)   51.66                80