Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2023   09:09:43   (  -0.04,-104.74) (  -0.06,-104.75)    1.85                80
 08/07/2023   21:11:08   (   0.05,-104.72) (  -0.20,-105.69)  111.22                80
 08/08/2023   20:55:26   (   0.05,-104.73) (   0.86,-101.25)  397.79                80
 08/10/2023   09:17:45   (  -0.05,-104.78) (   0.37,-106.62)  209.75                80
 08/11/2023   08:56:42   (  -0.06,-104.79) (  -0.63,-102.16)  298.86                80
 08/12/2023   21:19:11   (   0.06,-104.76) (  -0.56,-107.58)  321.06                80
 08/13/2023   21:03:28   (   0.07,-104.77) (   0.45,-103.12)  187.90                80
 08/15/2023   09:25:47   (  -0.07,-104.82) (   0.77,-108.49)  418.88                80
 08/16/2023   09:04:43   (  -0.08,-104.83) (  -0.24,-104.04)   90.08                80