Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2023   22:31:00   (  -0.05,  61.21) (   0.89,  56.97)  482.63                80
 12/04/2023   22:09:53   (  -0.04,  61.19) (  -0.09,  61.45)   29.49                80
 12/07/2023   10:13:49   (   0.05,  61.22) (  -0.14,  60.55)   77.71                80
 12/08/2023   09:58:02   (   0.04,  61.20) (   0.91,  65.01)  434.95                80
 12/09/2023   22:20:16   (  -0.06,  61.09) (   0.29,  59.66)  162.93                80
 12/10/2023   21:59:10   (  -0.04,  61.08) (  -0.76,  64.13)  348.63                80
 12/12/2023   10:21:32   (   0.06,  61.15) (  -0.49,  58.75)  273.22                80
 12/13/2023   10:05:45   (   0.04,  61.14) (   0.50,  63.23)  238.43                80
 12/14/2023   22:27:59   (  -0.06,  61.03) (   0.67,  57.88)  359.51                80
 12/15/2023   22:06:52   (  -0.05,  61.03) (  -0.33,  62.36)  151.14                80