Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2023   09:17:44   (  -0.02,-104.72) (   0.42,-106.60)  214.77                80
 08/11/2023   08:56:41   (  -0.02,-104.72) (  -0.58,-102.15)  292.88                80
 08/12/2023   21:19:10   (   0.03,-104.69) (  -0.61,-107.56)  327.26                80
 08/13/2023   21:03:27   (   0.03,-104.69) (   0.40,-103.11)  180.73                80
 08/15/2023   09:25:46   (  -0.03,-104.72) (   0.82,-108.48)  428.66                80
 08/16/2023   09:04:42   (  -0.04,-104.72) (  -0.19,-104.02)   79.31                80
 08/18/2023   21:08:47   (   0.04,-104.69) (  -0.04,-104.97)   32.30                80
 08/19/2023   20:53:04   (   0.04,-104.69) (   0.98,-100.52)  476.22                80
 08/21/2023   09:15:23   (  -0.04,-104.73) (   0.22,-105.89)  132.38                80
 08/22/2023   08:54:20   (  -0.04,-104.73) (  -0.79,-101.43)  375.80                80