Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/20/2019   10:39:22   (   0.01,-137.22) (   0.27,-138.27)  121.06                80
 12/21/2019   10:17:59   (   0.01,-137.21) (  -0.76,-133.75)  394.70                80
 12/22/2019   22:42:36   (  -0.02,-137.21) (  -0.44,-139.05)  210.83                80
 12/23/2019   22:21:13   (  -0.01,-137.20) (   0.60,-134.53)  304.60                80
 12/25/2019   10:45:41   (   0.02,-137.19) (   0.61,-139.79)  297.31                80
 12/26/2019   10:24:17   (   0.02,-137.18) (  -0.43,-135.27)  217.62                80
 12/27/2019   22:48:55   (  -0.02,-137.16) (  -0.77,-140.57)  389.16                80
 12/28/2019   22:27:30   (  -0.02,-137.15) (   0.21,-136.04)  125.59                80
 12/30/2019   10:52:00   (   0.02,-137.13) (   0.94,-141.32)  477.01                80
 12/31/2019   10:30:35   (   0.02,-137.11) (  -0.04,-136.78)   37.47                80