Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2023   20:59:09   (  -0.04,-104.67) (  -0.11,-105.05)   43.41                80
 02/21/2023   20:43:28   (  -0.04,-104.68) (   0.86,-100.60)  464.45                80
 02/23/2023   09:05:52   (   0.04,-104.69) (   0.34,-106.00)  149.73                80
 02/24/2023   08:44:51   (   0.04,-104.69) (  -0.64,-101.55)  358.11                80
 02/25/2023   21:07:23   (  -0.05,-104.72) (  -0.53,-106.98)  257.49                80
 02/26/2023   20:51:42   (  -0.05,-104.73) (   0.46,-102.53)  250.57                80
 02/28/2023   09:14:05   (   0.06,-104.74) (   0.79,-107.92)  363.21                80
 03/01/2023   08:53:03   (   0.06,-104.75) (  -0.20,-103.47)  144.70                80
 03/02/2023   21:15:35   (  -0.07,-104.77) (  -1.00,-108.90)  471.11                80
 03/03/2023   20:59:53   (  -0.07,-104.78) (  -0.00,-104.45)   37.07                80