Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2023   10:38:34   (   0.15,-128.07) (   0.45,-129.39)  151.08                80
 03/29/2023   10:22:52   (   0.15,-128.09) (  -0.55,-124.94)  359.57                80
 03/30/2023   22:42:43   (  -0.15,-128.17) (  -0.62,-130.37)  250.44                80
 03/31/2023   22:27:00   (  -0.15,-128.19) (   0.38,-125.91)  260.21                80
 04/02/2023   10:46:42   (   0.15,-128.21) (   0.85,-131.29)  351.98                80
 04/03/2023   10:30:59   (   0.15,-128.23) (  -0.15,-126.84)  158.42                80
 04/04/2023   22:50:50   (  -0.15,-128.30) (  -1.07,-132.26)  452.37                80
 04/05/2023   22:35:07   (  -0.15,-128.32) (  -0.06,-127.81)   58.00                80
 04/08/2023   10:36:27   (   0.15,-128.35) (   0.21,-128.75)   45.15                80
 04/09/2023   10:20:43   (   0.15,-128.37) (  -0.74,-124.29)  464.46                80