Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2023   09:18:30   (   0.01,-104.71) (   0.38,-106.23)  173.81                80
 09/18/2023   08:57:26   (   0.01,-104.71) (  -0.67,-101.78)  334.49                80
 09/19/2023   21:19:54   (  -0.01,-104.68) (  -0.57,-107.18)  285.28                80
 09/20/2023   21:04:09   (  -0.01,-104.68) (   0.42,-102.72)  222.99                80
 09/22/2023   09:26:27   (   0.01,-104.70) (   0.79,-108.08)  385.73                80
 09/23/2023   09:05:23   (   0.01,-104.70) (  -0.21,-103.62)  122.12                80
 09/24/2023   21:27:50   (  -0.02,-104.65) (  -1.01,-109.02)  498.48                80
 09/25/2023   21:12:06   (  -0.02,-104.65) (  -0.00,-104.56)    9.63                80
 09/28/2023   09:16:00   (   0.02,-104.68) (   0.21,-105.47)   90.48                80
 09/29/2023   08:54:55   (   0.02,-104.67) (  -0.79,-101.01)  417.72                80