Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2023   22:07:53   (   0.06,  61.44) (   0.04,  61.52)    9.32                80
 11/10/2023   10:11:54   (  -0.05,  60.52) (  -0.06,  60.56)    4.17                80
 11/12/2023   22:15:47   (   0.04,  59.53) (   0.02,  59.62)   10.44                80
 11/15/2023   10:19:47   (  -0.03,  58.65) (  -0.05,  58.67)    3.18                80
 11/17/2023   22:23:40   (   0.02,  57.67) (   0.03,  57.74)    7.31                80