Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2023   22:09:53   (  -0.04,  61.19) (  -0.11,  61.45)   29.57                80
 12/07/2023   10:13:49   (   0.05,  61.22) (  -0.11,  60.54)   77.50                80
 12/08/2023   09:58:03   (   0.04,  61.20) (   0.93,  65.01)  435.11                80
 12/09/2023   22:20:17   (  -0.06,  61.09) (   0.27,  59.66)  162.89                80
 12/10/2023   21:59:09   (  -0.04,  61.08) (  -0.72,  64.14)  348.64                80
 12/12/2023   10:21:33   (   0.06,  61.15) (  -0.47,  58.75)  273.09                80
 12/13/2023   10:05:45   (   0.04,  61.14) (   0.52,  63.23)  238.55                80
 12/14/2023   22:28:00   (  -0.06,  61.03) (   0.66,  57.88)  359.49                80
 12/15/2023   22:06:52   (  -0.05,  61.03) (  -0.34,  62.35)  151.12                80
 12/17/2023   10:29:14   (   0.06,  61.12) (  -0.90,  56.98)  472.92                80