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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2022   10:02:06   (   0.01,-127.99) (  -0.77,-124.66)  379.50                80
 02/16/2022   22:24:34   (  -0.01,-127.95) (  -0.48,-130.08)  242.05                80
 02/17/2022   22:08:51   (  -0.00,-127.92) (   0.49,-125.62)  261.92                80
 02/19/2022   10:31:12   (   0.00,-127.87) (   0.73,-131.01)  358.89                80
 02/20/2022   10:10:10   (   0.00,-127.83) (  -0.30,-126.57)  144.58                80
 02/21/2022   22:32:38   (  -0.00,-127.79) (  -0.94,-131.98)  478.25                80
 02/22/2022   22:16:55   (  -0.00,-127.75) (   0.03,-127.53)   25.10                80
 02/25/2022   10:20:52   (   0.00,-127.64) (   0.21,-128.46)   94.11                80
 02/26/2022   09:59:50   (   0.00,-127.60) (  -0.83,-124.02)  408.27                80
 02/27/2022   22:22:18   (  -0.01,-127.53) (  -0.42,-129.44)  216.44                80
 02/28/2022   22:06:35   (  -0.01,-127.49) (   0.56,-124.98)  286.07                80