Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 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)
 03/19/2023   21:03:26   (  -0.02,-104.74) (  -0.25,-105.75)  115.81                80
 03/20/2023   20:47:45   (  -0.01,-104.73) (   0.79,-101.31)  390.87                80
 03/22/2023   09:10:06   (   0.01,-104.72) (   0.48,-106.68)  225.08                80
 03/23/2023   08:49:04   (   0.01,-104.71) (  -0.56,-102.24)  281.61                80
 03/24/2023   21:11:35   (  -0.01,-104.71) (  -0.65,-107.66)  335.82                80
 03/25/2023   20:55:52   (  -0.01,-104.71) (   0.34,-103.21)  171.14                80
 03/27/2023   09:18:14   (  -0.01,-104.69) (   0.84,-108.60)  444.58                80
 03/28/2023   08:57:12   (  -0.01,-104.69) (  -0.16,-104.15)   62.24                80
 03/30/2023   21:01:19   (   0.00,-104.68) (  -0.10,-105.10)   48.65                80
 03/31/2023   20:45:36   (  -0.01,-104.68) (   0.91,-100.65)  458.63                80