Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 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)
 01/08/2024   09:34:47   (   0.02,-104.68) (   0.86,-108.37)  419.95                80
 01/09/2024   09:13:40   (   0.02,-104.68) (  -0.17,-103.89)   89.92                80
 01/11/2024   21:17:34   (  -0.02,-104.64) (  -0.07,-104.79)   17.57                80
 01/12/2024   21:01:46   (  -0.02,-104.64) (   0.96,-100.32)  492.56                80
 01/14/2024   09:23:58   (   0.01,-104.66) (   0.27,-105.65)  113.46                80
 01/15/2024   09:02:51   (   0.01,-104.66) (  -0.77,-101.18)  396.51                80
 01/16/2024   21:25:13   (  -0.00,-104.63) (  -0.43,-106.56)  220.26                80
 01/17/2024   21:09:25   (  -0.00,-104.62) (   0.55,-102.08)  290.04                80
 01/19/2024   09:31:38   (   0.01,-104.66) (   0.62,-107.42)  315.21                80
 01/20/2024   09:10:30   (   0.01,-104.65) (  -0.36,-102.94)  194.99                80