Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2023   09:05:48   (  -0.00,-104.73) (   0.16,-105.36)   72.99                80
 04/14/2023   08:44:45   (  -0.00,-104.72) (  -0.86,-100.91)  434.16                80
 04/15/2023   21:07:15   (   0.00,-104.72) (  -0.34,-106.33)  183.25                80
 04/16/2023   20:51:32   (   0.00,-104.72) (   0.62,-101.87)  324.52                80
 04/18/2023   09:13:52   (  -0.00,-104.72) (   0.59,-107.25)  288.46                80
 04/19/2023   08:52:50   (  -0.00,-104.72) (  -0.44,-102.80)  219.20                80
 04/20/2023   21:15:19   (  -0.00,-104.72) (  -0.81,-108.21)  398.19                80
 04/21/2023   20:59:37   (   0.00,-104.72) (   0.22,-103.76)  109.74                80
 04/24/2023   09:00:53   (  -0.00,-104.73) (   0.01,-104.68)    5.49                80