Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/10/2023   10:11:50   (  -0.04,  61.79) (  -0.29,  60.61)  133.20                80
 11/11/2023   09:56:03   (  -0.06,  61.78) (   0.70,  65.09)  377.27                80
 11/12/2023   22:18:20   (   0.03,  61.73) (   0.50,  59.73)  228.46                80
 11/13/2023   21:57:13   (   0.05,  61.74) (  -0.50,  64.20)  280.77                80
 11/15/2023   10:19:37   (  -0.02,  61.80) (  -0.68,  58.81)  341.12                80
 11/16/2023   10:03:51   (  -0.03,  61.81) (   0.32,  63.28)  168.33                80
 11/17/2023   22:26:07   (   0.00,  61.75) (   0.86,  57.92)  437.18                80
 11/18/2023   22:07:41   (   0.02,  61.77) (  -0.14,  62.39)   71.21                80
 11/21/2023   10:08:58   (  -0.00,  61.87) (  -0.07,  61.48)   44.17                80
 11/22/2023   09:53:10   (  -0.01,  61.88) (   0.88,  65.96)  464.99                80
 11/23/2023   22:15:26   (  -0.01,  61.82) (   0.28,  60.60)  139.81                80