Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2022   11:12:59   (  -0.04,-137.22) (   0.94,-141.61)  499.44                80
 01/27/2022   10:54:37   (  -0.04,-137.22) (  -0.07,-137.16)    7.37                80
 01/29/2022   22:56:03   (   0.02,-137.20) (  -0.18,-138.13)  106.04                80
 01/30/2022   22:40:19   (   0.02,-137.19) (   0.78,-133.67)  399.99                80
 02/01/2022   11:02:40   (   0.02,-137.16) (   0.47,-139.06)  216.35                80
 02/02/2022   10:41:38   (   0.01,-137.15) (  -0.55,-134.61)  289.13                80
 02/03/2022   23:04:07   (  -0.00,-137.13) (  -0.64,-140.04)  331.02                80
 02/04/2022   22:48:25   (   0.00,-137.12) (   0.38,-135.60)  174.59                80
 02/06/2022   11:10:46   (  -0.00,-137.10) (   0.87,-140.98)  442.70                80
 02/07/2022   10:49:44   (  -0.01,-137.08) (  -0.15,-136.54)   62.68                80