Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2023   21:57:14   (   0.05,  61.74) (  -0.53,  64.19)  280.39                80
 11/15/2023   10:19:37   (  -0.02,  61.81) (  -0.70,  58.81)  341.36                80
 11/16/2023   10:03:51   (  -0.03,  61.81) (   0.29,  63.29)  168.00                80
 11/17/2023   22:26:07   (   0.00,  61.76) (   0.89,  57.93)  437.85                80
 11/18/2023   22:05:00   (   0.02,  61.78) (  -0.11,  62.40)   70.42                80
 11/21/2023   10:08:57   (  -0.00,  61.87) (  -0.11,  61.49)   44.89                80
 11/22/2023   09:53:11   (  -0.01,  61.88) (   0.89,  65.96)  464.18                80
 11/23/2023   22:15:27   (  -0.01,  61.83) (   0.27,  60.59)  140.98                80
 11/24/2023   21:54:21   (   0.01,  61.85) (  -0.74,  65.06)  367.20                80
 11/26/2023   10:16:44   (   0.02,  61.95) (  -0.48,  59.68)  258.27                80