Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2022   10:58:57   (  -0.00,-137.21) (   0.25,-138.36)  131.25                80
 01/06/2022   10:37:55   (  -0.00,-137.21) (  -0.76,-133.92)  375.62                80
 01/07/2022   23:00:24   (   0.00,-137.20) (  -0.51,-139.33)  243.63                80
 01/08/2022   22:44:42   (   0.00,-137.20) (   0.50,-134.89)  263.27                80
 01/10/2022   11:07:03   (  -0.01,-137.20) (   0.72,-140.28)  351.35                80
 01/11/2022   10:46:01   (  -0.01,-137.20) (  -0.29,-135.83)  155.13                80
 01/12/2022   23:08:31   (   0.01,-137.18) (  -0.90,-141.26)  465.12                80
 01/13/2022   22:52:48   (   0.02,-137.18) (   0.11,-136.82)   40.90                80
 01/16/2022   10:56:47   (  -0.03,-137.15) (   0.11,-137.76)   69.73                80
 01/17/2022   10:38:25   (  -0.03,-137.14) (  -0.90,-133.32)  435.60                80
 01/18/2022   22:58:14   (   0.03,-137.11) (  -0.33,-138.74)  186.08                80