Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 11 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)
 11/21/2022   11:08:19   (   0.01,-137.37) (   0.24,-138.42)  119.80                80
 11/22/2022   10:52:41   (   0.01,-137.37) (  -0.78,-133.99)  385.60                80
 11/23/2022   23:12:36   (  -0.01,-137.36) (  -0.46,-139.43)  236.13                80
 11/24/2022   22:56:56   (  -0.01,-137.35) (   0.50,-134.99)  268.59                80
 11/26/2022   11:16:44   (   0.01,-137.33) (   0.69,-140.40)  349.68                80
 11/27/2022   11:01:04   (   0.01,-137.32) (  -0.27,-135.96)  154.45                80
 11/28/2022   23:21:01   (  -0.00,-137.29) (  -0.91,-141.41)  468.95                80
 11/29/2022   23:05:21   (  -0.00,-137.28) (   0.06,-136.97)   35.02                80
 12/02/2022   11:09:29   (  -0.00,-137.24) (   0.15,-137.94)   79.80                80
 12/03/2022   10:48:29   (  -0.00,-137.22) (  -0.82,-133.50)  424.03                80