Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2023   10:51:28   (   0.14,-127.86) (   1.03,-131.94)  464.68                80
 03/23/2023   10:30:26   (   0.15,-127.90) (   0.05,-127.49)   46.74                80
 03/25/2023   22:34:34   (  -0.14,-128.02) (  -0.24,-128.46)   50.46                80
 03/26/2023   22:18:52   (  -0.15,-128.05) (   0.75,-124.01)  460.68                80
 03/28/2023   10:38:34   (   0.15,-128.07) (   0.44,-129.40)  151.20                80
 03/29/2023   10:22:52   (   0.15,-128.10) (  -0.56,-124.94)  359.63                80
 03/30/2023   22:42:42   (  -0.15,-128.17) (  -0.66,-130.36)  249.98                80
 03/31/2023   22:27:00   (  -0.15,-128.20) (   0.34,-125.91)  260.86                80
 04/02/2023   10:46:42   (   0.15,-128.22) (   0.83,-131.30)  351.23                80
 04/03/2023   10:30:59   (   0.15,-128.25) (  -0.18,-126.85)  159.38                80
 04/04/2023   22:50:50   (  -0.15,-128.32) (  -1.03,-132.27)  450.97                80