Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2019 12 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2019   14:46:12   (   0.04,-137.20) (   0.86,-140.64)  393.98                80
 12/13/2019   14:34:33   (   0.04,-137.17) (   0.21,-137.79)   71.44                80
 12/14/2019   14:25:33   (   0.04,-137.15) (  -0.44,-134.94)  251.01                80
 12/17/2019   02:46:37   (  -0.05,-137.08) (  -0.73,-139.92)  325.63                80
 12/18/2019   02:32:19   (  -0.05,-137.05) (  -0.03,-137.09)    4.63                80
 12/19/2019   02:20:39   (  -0.05,-137.02) (   0.61,-134.23)  317.81                80
 12/21/2019   14:44:22   (   0.05,-136.94) (   0.58,-139.21)  258.82                80
 12/22/2019   14:30:03   (   0.05,-136.91) (  -0.07,-136.36)   62.57                80
 12/23/2019   14:18:23   (   0.06,-136.87) (  -0.73,-133.51)  383.81                80