Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 1 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/24/2023   22:38:32   (  -0.02,-128.21) (  -0.31,-129.54)  151.62                80
 01/25/2023   22:17:32   (  -0.02,-128.21) (   0.67,-125.09)  355.74                80
 01/27/2023   10:39:57   (   0.02,-128.26) (   0.53,-130.49)  254.29                80
 01/28/2023   10:24:17   (   0.02,-128.28) (  -0.46,-126.05)  253.29                80
 01/29/2023   22:46:50   (  -0.02,-128.26) (  -0.77,-131.48)  367.83                80
 01/30/2023   22:25:50   (  -0.02,-128.26) (   0.23,-127.04)  139.14                80
 02/01/2023   10:48:15   (   0.02,-128.30) (   0.96,-132.44)  472.51                80
 02/02/2023   10:32:34   (   0.02,-128.30) (  -0.03,-128.00)   34.47                80
 02/04/2023   22:36:47   (  -0.02,-128.28) (  -0.16,-128.99)   80.34                80
 02/05/2023   22:15:47   (  -0.02,-128.28) (   0.85,-124.55)  426.09                80