Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/25/2023   22:34:34   (  -0.14,-128.02) (  -0.27,-128.45)   50.27                80
 03/26/2023   22:18:52   (  -0.15,-128.05) (   0.78,-124.01)  460.92                80
 03/28/2023   10:38:34   (   0.15,-128.07) (   0.45,-129.39)  150.90                80
 03/29/2023   10:22:51   (   0.15,-128.10) (  -0.55,-124.94)  359.93                80
 03/30/2023   22:42:41   (  -0.15,-128.17) (  -0.65,-130.36)  249.72                80
 03/31/2023   22:26:59   (  -0.16,-128.20) (   0.36,-125.91)  261.13                80
 04/02/2023   10:46:40   (   0.15,-128.21) (   0.84,-131.29)  350.78                80
 04/03/2023   10:30:58   (   0.16,-128.24) (  -0.18,-126.84)  159.90                80
 04/04/2023   22:50:47   (  -0.15,-128.31) (  -1.05,-132.25)  450.41                80
 04/05/2023   22:35:05   (  -0.15,-128.33) (  -0.02,-127.81)   60.19                80