Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 9 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2022   10:31:27   (   0.35,-127.80) (   0.67,-129.25)  165.77                80
 09/09/2022   10:10:21   (   0.35,-127.77) (  -0.32,-124.79)  339.78                80
 09/10/2022   22:32:47   (  -0.34,-127.68) (  -0.88,-130.20)  286.69                80
 09/11/2022   22:17:02   (  -0.35,-127.66) (   0.11,-125.74)  219.65                80
 09/13/2022   10:39:19   (   0.33,-127.68) (   1.09,-131.11)  390.24                80
 09/14/2022   10:18:14   (   0.34,-127.66) (   0.09,-126.65)  115.28                80
 09/16/2022   22:22:14   (  -0.33,-127.52) (  -0.33,-127.59)    7.41                80
 09/17/2022   22:06:28   (  -0.33,-127.49) (   0.66,-123.13)  498.23                80
 09/19/2022   10:28:45   (   0.31,-127.51) (   0.54,-128.50)  112.57                80
 09/20/2022   10:07:40   (   0.32,-127.47) (  -0.46,-124.04)  392.15                80