Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/19/2022   10:31:13   (   0.01,-127.87) (   0.69,-131.02)  358.66                80
 02/20/2022   10:10:09   (   0.01,-127.83) (  -0.28,-126.56)  144.94                80
 02/21/2022   22:32:38   (  -0.01,-127.80) (  -0.98,-131.98)  476.83                80
 02/22/2022   22:16:55   (  -0.01,-127.76) (   0.05,-127.53)   26.54                80
 02/25/2022   10:20:53   (   0.01,-127.65) (   0.19,-128.47)   93.08                80
 02/26/2022   09:59:50   (   0.01,-127.61) (  -0.78,-124.01)  409.38                80
 02/27/2022   22:22:19   (  -0.02,-127.55) (  -0.41,-129.44)  214.26                80
 02/28/2022   22:06:35   (  -0.02,-127.51) (   0.56,-124.98)  288.38                80
 03/02/2022   10:28:56   (   0.02,-127.44) (   0.70,-130.36)  334.18                80
 03/03/2022   10:07:53   (   0.02,-127.39) (  -0.33,-125.92)  168.22                80
 03/04/2022   22:30:22   (  -0.02,-127.33) (  -0.93,-131.33)  455.91                80