Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2023   09:15:22   (   0.01,-104.72) (   0.28,-105.87)  131.55                80
 08/22/2023   08:54:19   (   0.01,-104.72) (  -0.74,-101.42)  376.47                80
 08/23/2023   21:16:47   (  -0.01,-104.68) (  -0.51,-106.82)  243.90                80
 08/24/2023   21:01:04   (  -0.01,-104.68) (   0.51,-102.37)  264.11                80
 08/26/2023   09:23:22   (   0.02,-104.71) (   0.73,-107.73)  344.81                80
 08/27/2023   09:02:19   (   0.02,-104.70) (  -0.29,-103.27)  162.80                80
 08/28/2023   21:24:47   (  -0.03,-104.66) (  -0.94,-108.68)  458.47                80
 08/29/2023   21:09:03   (  -0.03,-104.66) (   0.08,-104.23)   49.44                80
 09/01/2023   09:12:58   (   0.03,-104.69) (   0.13,-105.14)   50.91                80
 09/02/2023   08:51:55   (   0.03,-104.69) (  -0.90,-100.68)  457.04                80