Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2022   11:05:06   (  -0.03,-137.17) (   0.41,-139.05)  215.04                80
 04/19/2022   10:44:02   (  -0.03,-137.16) (  -0.60,-134.60)  291.44                80
 04/20/2022   23:09:12   (   0.03,-137.14) (  -0.60,-140.03)  328.70                80
 04/21/2022   22:50:47   (   0.03,-137.13) (   0.36,-135.57)  177.37                80
 04/23/2022   11:13:07   (  -0.02,-137.11) (   0.83,-140.95)  438.01                80
 04/24/2022   10:52:02   (  -0.02,-137.09) (  -0.13,-136.49)   67.83                80
 04/26/2022   22:56:07   (   0.01,-137.04) (  -0.09,-137.45)   47.25                80
 04/27/2022   22:40:23   (   0.01,-137.02) (   0.93,-133.01)  458.53                80
 04/29/2022   11:02:42   (  -0.01,-137.00) (   0.32,-138.38)  157.39                80
 04/30/2022   10:41:38   (  -0.01,-136.98) (  -0.70,-133.93)  348.02                80