Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2023   09:26:28   (  -0.00,-104.71) (   0.77,-108.08)  384.46                80
 09/23/2023   09:05:23   (   0.00,-104.71) (  -0.23,-103.62)  123.83                80
 09/24/2023   21:27:50   (  -0.01,-104.67) (  -0.98,-109.03)  496.25                80
 09/25/2023   21:12:06   (  -0.01,-104.67) (   0.02,-104.56)   12.35                80
 09/28/2023   09:16:00   (   0.01,-104.71) (   0.17,-105.47)   86.50                80
 09/29/2023   08:54:55   (   0.01,-104.71) (  -0.84,-101.01)  422.16                80
 09/30/2023   21:17:22   (  -0.01,-104.67) (  -0.40,-106.40)  197.36                80
 10/01/2023   21:01:37   (  -0.01,-104.68) (   0.61,-101.95)  311.54                80
 10/03/2023   09:23:55   (   0.01,-104.72) (   0.58,-107.31)  295.55                80
 10/04/2023   09:02:51   (   0.01,-104.72) (  -0.43,-102.85)  213.17                80
 10/05/2023   21:25:16   (  -0.02,-104.68) (  -0.84,-108.24)  406.57                80