Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/01/2023   10:24:31   (   0.04,  61.35) (  -0.78,  57.87)  397.92                80
 12/02/2023   10:08:44   (   0.03,  61.33) (   0.25,  62.34)  114.85                80
 12/03/2023   22:31:00   (  -0.05,  61.21) (   0.92,  56.98)  482.98                80
 12/04/2023   22:09:53   (  -0.04,  61.20) (  -0.11,  61.45)   29.14                80
 12/07/2023   10:13:49   (   0.05,  61.23) (  -0.11,  60.54)   78.64                80
 12/08/2023   09:58:03   (   0.04,  61.21) (   0.93,  65.01)  433.88                80
 12/09/2023   22:20:17   (  -0.05,  61.09) (   0.27,  59.66)  163.77                80
 12/10/2023   21:59:09   (  -0.04,  61.08) (  -0.71,  64.14)  347.68                80
 12/12/2023   10:21:33   (   0.05,  61.16) (  -0.48,  58.75)  274.63                80
 12/13/2023   10:05:45   (   0.04,  61.15) (   0.52,  63.23)  236.93                80