Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 8.  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   10:11:51   (  -0.04,  61.27) (  -0.19,  60.59)   76.85                80
 11/11/2023   09:56:06   (  -0.06,  61.09) (   0.86,  65.05)  452.65                80
 11/12/2023   22:18:23   (   0.03,  60.74) (   0.28,  59.68)  121.47                80
 11/13/2023   21:57:18   (   0.05,  60.58) (  -0.78,  64.14)  406.16                80
 11/15/2023   10:19:42   (  -0.03,  60.41) (  -0.39,  58.74)  189.89                80
 11/16/2023   10:03:56   (  -0.04,  60.24) (   0.61,  63.21)  338.58                80
 11/17/2023   22:26:13   (   0.01,  59.89) (   0.50,  57.84)  234.82                80
 11/18/2023   22:05:07   (   0.03,  59.74) (  -0.57,  62.30)  291.95                80
 11/20/2023   10:27:32   (   0.00,  59.60) (  -0.58,  56.90)  307.31                80
 11/21/2023   10:11:45   (  -0.01,  59.43) (   0.43,  61.37)  220.74                80