Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/20/2024   09:10:29   (   0.01,-104.69) (  -0.41,-102.94)  199.71                80
 01/21/2024   21:32:50   (  -0.01,-104.65) (  -0.82,-108.31)  417.35                80
 01/22/2024   21:17:02   (  -0.01,-104.65) (   0.18,-103.83)   93.15                80
 01/25/2024   09:20:46   (   0.01,-104.69) (   0.02,-104.69)    0.81                80
 01/27/2024   21:21:59   (  -0.01,-104.65) (  -0.22,-105.59)  106.42                80
 01/28/2024   21:06:10   (  -0.01,-104.65) (   0.79,-101.11)  404.56                80
 01/30/2024   09:28:22   (   0.01,-104.70) (   0.40,-106.45)  198.93                80
 01/31/2024   09:07:14   (   0.01,-104.70) (  -0.61,-101.97)  312.01                80
 02/01/2024   21:32:14   (  -0.01,-104.67) (  -0.62,-107.33)  304.15                80
 02/02/2024   21:13:46   (  -0.01,-104.67) (   0.40,-102.86)  206.85                80