Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 8.  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   09:34:48   (   0.02,-104.68) (   0.83,-108.37)  419.92                80
 01/09/2024   09:13:39   (   0.02,-104.68) (  -0.14,-103.89)   90.01                80
 01/11/2024   21:17:34   (  -0.02,-104.64) (  -0.04,-104.79)   17.24                80
 01/12/2024   21:01:47   (  -0.02,-104.64) (   0.99,-100.32)  492.73                80
 01/14/2024   09:23:59   (   0.01,-104.66) (   0.23,-105.66)  113.26                80
 01/15/2024   09:02:51   (   0.01,-104.66) (  -0.80,-101.19)  396.68                80
 01/16/2024   21:25:13   (  -0.00,-104.63) (  -0.46,-106.55)  220.00                80
 01/17/2024   21:09:25   (  -0.00,-104.63) (   0.58,-102.08)  290.31                80
 01/19/2024   09:31:38   (   0.01,-104.66) (   0.64,-107.42)  314.95                80
 01/20/2024   09:10:30   (   0.01,-104.65) (  -0.40,-102.95)  195.26                80
 01/21/2024   21:32:51   (  -0.02,-104.62) (  -0.84,-108.32)  421.50                80