Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/17/2022   22:08:51   (  -0.01,-127.93) (   0.49,-125.62)  262.33                80
 02/19/2022   10:31:12   (   0.01,-127.87) (   0.72,-131.01)  358.73                80
 02/20/2022   10:10:10   (   0.00,-127.83) (  -0.31,-126.57)  144.79                80
 02/21/2022   22:32:38   (  -0.01,-127.79) (  -0.94,-131.98)  477.58                80
 02/22/2022   22:16:55   (  -0.00,-127.76) (   0.03,-127.53)   25.79                80
 02/25/2022   10:20:52   (   0.01,-127.64) (   0.21,-128.46)   93.68                80
 02/26/2022   09:59:50   (   0.01,-127.60) (  -0.82,-124.02)  408.74                80
 02/27/2022   22:22:18   (  -0.01,-127.54) (  -0.43,-129.43)  215.47                80
 02/28/2022   22:06:35   (  -0.01,-127.50) (   0.55,-124.98)  287.06                80
 03/02/2022   10:28:56   (   0.01,-127.43) (   0.65,-130.37)  335.22                80