Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2023   09:05:20   (   0.00,-104.69) (  -0.38,-103.03)  189.21                80
 11/01/2023   21:27:44   (  -0.00,-104.66) (  -0.84,-108.42)  428.67                80
 11/02/2023   21:11:59   (   0.00,-104.66) (   0.18,-103.96)   80.68                80
 11/05/2023   09:15:50   (   0.00,-104.69) (   0.02,-104.85)   17.43                80
 11/06/2023   08:54:43   (   0.00,-104.69) (  -0.95,-100.37)  492.01                80
 11/07/2023   21:17:08   (  -0.00,-104.66) (  -0.25,-105.76)  125.37                80
 11/08/2023   21:01:22   (  -0.00,-104.67) (   0.79,-101.30)  384.44                80
 11/10/2023   09:23:39   (   0.00,-104.70) (   0.43,-106.65)  222.02                80
 11/11/2023   09:02:32   (   0.00,-104.71) (  -0.55,-102.18)  287.63                80
 11/12/2023   21:24:55   (  -0.01,-104.67) (  -0.69,-107.56)  330.04                80
 11/13/2023   21:09:10   (  -0.01,-104.67) (   0.36,-103.10)  179.71                80