Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 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)
 02/18/2023   10:36:22   (   0.09,-128.19) (   0.35,-129.35)  132.68                80
 02/19/2023   10:20:42   (   0.09,-128.17) (  -0.67,-124.91)  372.69                80
 02/20/2023   22:43:13   (  -0.09,-128.16) (  -0.58,-130.33)  247.16                80
 02/21/2023   22:22:12   (  -0.09,-128.15) (   0.39,-125.88)  257.98                80
 02/23/2023   10:44:36   (   0.09,-128.11) (   0.82,-131.27)  360.31                80
 02/24/2023   10:28:55   (   0.09,-128.10) (  -0.22,-126.84)  145.01                80
 02/25/2023   22:51:27   (  -0.09,-128.09) (  -1.01,-132.26)  474.64                80
 02/26/2023   22:30:25   (  -0.10,-128.07) (  -0.02,-127.81)   30.17                80
 03/01/2023   10:34:27   (   0.11,-128.00) (   0.28,-128.74)   84.68                80
 03/02/2023   10:18:46   (   0.11,-127.98) (  -0.71,-124.30)  420.03                80