Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 1 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2023   10:39:57   (   0.03,-128.26) (   0.55,-130.49)  254.24                80
 01/28/2023   10:24:17   (   0.03,-128.27) (  -0.49,-126.06)  253.27                80
 01/29/2023   22:46:51   (  -0.03,-128.25) (  -0.74,-131.49)  368.00                80
 01/30/2023   22:25:50   (  -0.03,-128.26) (   0.25,-127.04)  138.89                80
 02/01/2023   10:48:16   (   0.03,-128.29) (   0.95,-132.44)  472.73                80
 02/02/2023   10:32:35   (   0.04,-128.30) (  -0.05,-128.00)   34.21                80
 02/04/2023   22:36:47   (  -0.04,-128.27) (  -0.22,-128.98)   80.86                80
 02/05/2023   22:15:46   (  -0.04,-128.27) (   0.79,-124.54)  425.50                80
 02/07/2023   10:38:12   (   0.04,-128.30) (   0.41,-129.94)  187.20                80
 02/08/2023   10:22:31   (   0.04,-128.30) (  -0.60,-125.50)  319.34                80