Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2024   21:25:13   (   0.00,-104.65) (  -0.41,-106.56)  217.19                80
 01/17/2024   21:09:25   (   0.01,-104.65) (   0.58,-102.08)  293.49                80
 01/19/2024   09:31:37   (   0.01,-104.69) (   0.63,-107.42)  310.73                80
 01/20/2024   09:10:28   (   0.01,-104.69) (  -0.36,-102.93)  199.82                80
 01/21/2024   21:32:50   (  -0.01,-104.66) (  -0.86,-108.31)  416.81                80
 01/22/2024   21:17:02   (  -0.01,-104.66) (   0.19,-103.84)   93.78                80
 01/25/2024   09:20:46   (   0.00,-104.69) (   0.00,-104.70)    0.44                80
 01/27/2024   21:21:59   (  -0.01,-104.67) (  -0.19,-105.59)  105.14                80
 01/28/2024   21:06:11   (  -0.01,-104.67) (   0.82,-101.11)  406.09                80