Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2023   08:54:58   (   0.04,-104.67) (  -0.07,-104.06)   68.88                80
 02/20/2023   20:59:10   (  -0.05,-104.69) (  -0.10,-105.06)   41.61                80
 02/21/2023   20:43:28   (  -0.04,-104.69) (   0.87,-100.61)  465.57                80
 02/23/2023   09:05:52   (   0.05,-104.68) (   0.34,-106.00)  149.90                80
 02/24/2023   08:44:51   (   0.05,-104.69) (  -0.64,-101.55)  357.18                80
 02/25/2023   21:07:22   (  -0.05,-104.70) (  -0.59,-106.97)  259.48                80
 02/26/2023   20:51:42   (  -0.05,-104.70) (   0.46,-102.54)  247.83                80
 02/28/2023   09:14:05   (   0.06,-104.70) (   0.79,-107.92)  367.24                80
 03/01/2023   08:53:04   (   0.06,-104.70) (  -0.20,-103.47)  139.89                80
 03/02/2023   21:15:35   (  -0.07,-104.71) (  -1.01,-108.90)  477.01                80
 03/03/2023   20:59:53   (  -0.07,-104.72) (  -0.01,-104.45)   30.39                80