Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/02/2023   09:17:49   (   0.02,-104.67) (   0.07,-104.88)   24.06                80
 12/03/2023   08:56:43   (   0.00,-104.67) (  -0.97,-100.42)  485.06                80
 12/04/2023   21:19:06   (   0.01,-104.64) (  -0.24,-105.80)  132.50                80
 12/05/2023   21:03:19   (   0.02,-104.64) (   0.74,-101.32)  377.42                80
 12/07/2023   09:25:33   (  -0.02,-104.67) (   0.46,-106.67)  228.37                80
 12/08/2023   09:04:26   (  -0.02,-104.67) (  -0.59,-102.21)  281.47                80
 12/09/2023   21:26:49   (   0.01,-104.64) (  -0.66,-107.58)  335.90                80
 12/10/2023   21:11:01   (  -0.00,-104.63) (   0.33,-103.10)  174.33                80
 12/12/2023   09:33:14   (   0.02,-104.67) (   0.90,-108.44)  431.09                80
 12/13/2023   09:12:08   (   0.02,-104.66) (  -0.16,-103.98)   78.33                80
 12/15/2023   21:16:03   (  -0.01,-104.61) (  -0.07,-104.88)   30.99                80