Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2022   11:01:45   (  -0.04,-137.20) (   0.22,-138.48)  144.97                80
 03/23/2022   10:40:42   (  -0.04,-137.20) (  -0.77,-134.02)  361.90                80
 03/24/2022   23:03:11   (   0.04,-137.19) (  -0.45,-139.45)  257.09                80
 03/25/2022   22:47:28   (   0.04,-137.18) (   0.54,-134.99)  249.39                80
 03/27/2022   11:09:47   (  -0.03,-137.16) (   0.70,-140.37)  365.96                80
 03/28/2022   10:48:44   (  -0.02,-137.15) (  -0.29,-135.92)  140.31                80
 03/29/2022   23:11:13   (   0.02,-137.13) (  -0.93,-141.34)  479.37                80
 03/30/2022   22:55:29   (   0.02,-137.12) (   0.06,-136.89)   26.87                80
 04/02/2022   10:59:26   (  -0.02,-137.09) (   0.12,-137.83)   82.90                80
 04/03/2022   10:38:23   (  -0.02,-137.08) (  -0.87,-133.37)  422.87                80
 04/04/2022   23:00:52   (   0.02,-137.05) (  -0.34,-138.79)  198.01                80