Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/08/2023   09:24:34   (   0.01,-104.73) (   0.93,-108.71)  454.99                80
 07/09/2023   09:03:31   (   0.01,-104.74) (  -0.09,-104.27)   53.51                80
 07/11/2023   21:07:37   (  -0.00,-104.74) (  -0.14,-105.22)   55.69                80
 07/12/2023   20:51:55   (  -0.01,-104.75) (   0.88,-100.77)  453.25                80
 07/14/2023   09:14:16   (   0.00,-104.78) (   0.32,-106.15)  155.91                80
 07/15/2023   08:53:14   (   0.00,-104.79) (  -0.71,-101.70)  352.55                80
 07/16/2023   21:15:42   (  -0.00,-104.77) (  -0.55,-107.10)  265.95                80
 07/17/2023   20:59:59   (   0.00,-104.78) (   0.49,-102.66)  242.87                80
 07/19/2023   09:22:21   (  -0.01,-104.83) (   0.71,-108.04)  365.54                80
 07/20/2023   09:01:17   (  -0.01,-104.84) (  -0.27,-103.58)  143.21                80