Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2022   11:10:43   (  -0.02,-137.18) (   0.68,-140.27)  352.37                80
 05/05/2022   10:49:39   (  -0.02,-137.18) (  -0.35,-135.83)  154.31                80
 05/06/2022   23:14:46   (   0.01,-137.15) (  -0.92,-141.23)  465.30                80
 05/07/2022   22:53:43   (   0.01,-137.14) (   0.11,-136.79)   41.15                80
 05/10/2022   11:00:18   (  -0.01,-137.11) (   0.11,-137.71)   67.66                80
 05/11/2022   10:39:13   (  -0.01,-137.09) (  -0.87,-133.25)  438.38                80
 05/12/2022   23:04:21   (   0.01,-137.06) (  -0.37,-138.66)  182.20                80
 05/13/2022   22:43:17   (   0.01,-137.04) (   0.67,-134.21)  323.47                80
 05/15/2022   11:08:15   (  -0.01,-137.01) (   0.59,-139.58)  293.01                80
 05/16/2022   10:47:12   (  -0.01,-136.99) (  -0.44,-135.13)  212.00                80
 05/17/2022   23:09:38   (   0.01,-136.94) (  -0.83,-140.53)  410.35                80