Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/02/2023   10:18:46   (   0.11,-127.98) (  -0.70,-124.29)  420.36                80
 03/03/2023   22:41:17   (  -0.12,-127.96) (  -0.52,-129.72)  200.53                80
 03/04/2023   22:20:16   (  -0.12,-127.93) (   0.48,-125.27)  303.65                80
 03/06/2023   10:42:39   (   0.12,-127.88) (   0.73,-130.66)  316.57                80
 03/07/2023   10:26:57   (   0.12,-127.85) (  -0.23,-126.20)  187.78                80
 03/08/2023   22:49:27   (  -0.12,-127.83) (  -1.00,-131.62)  432.96                80
 03/09/2023   22:28:26   (  -0.12,-127.80) (   0.03,-127.18)   71.01                80
 03/12/2023   10:32:25   (   0.13,-127.70) (   0.22,-128.11)   46.36                80
 03/13/2023   10:16:43   (   0.13,-127.66) (  -0.77,-123.65)  457.25                80
 03/14/2023   22:39:12   (  -0.13,-127.62) (  -0.48,-129.06)  164.78                80