Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/14/2022   10:23:09   (   0.01,-128.02) (   0.23,-129.11)  124.40                80
 02/15/2022   10:02:06   (   0.01,-127.99) (  -0.74,-124.66)  379.51                80
 02/16/2022   22:24:34   (  -0.01,-127.95) (  -0.51,-130.07)  242.28                80
 02/17/2022   22:08:51   (  -0.00,-127.92) (   0.52,-125.63)  261.67                80
 02/19/2022   10:31:13   (   0.00,-127.87) (   0.70,-131.02)  359.00                80
 02/20/2022   10:10:09   (   0.00,-127.83) (  -0.27,-126.56)  144.46                80
 02/21/2022   22:32:38   (  -0.00,-127.78) (  -0.98,-131.98)  478.62                80
 02/22/2022   22:16:55   (  -0.00,-127.75) (   0.05,-127.53)   24.62                80
 02/25/2022   10:20:53   (   0.00,-127.64) (   0.18,-128.47)   94.52                80
 02/26/2022   09:59:49   (  -0.00,-127.59) (  -0.79,-124.01)  407.77                80
 02/27/2022   22:22:18   (   0.00,-127.53) (  -0.45,-129.43)  217.26                80