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   10:39:23   (   0.01,-137.22) (   0.24,-138.28)  121.08                80
 12/21/2019   10:17:59   (   0.01,-137.21) (  -0.79,-133.76)  394.66                80
 12/22/2019   22:42:37   (  -0.02,-137.21) (  -0.42,-139.06)  210.73                80
 12/23/2019   22:21:12   (  -0.01,-137.20) (   0.56,-134.52)  304.69                80
 12/25/2019   10:45:41   (   0.02,-137.19) (   0.59,-139.80)  297.43                80
 12/26/2019   10:24:17   (   0.02,-137.18) (  -0.38,-135.26)  217.51                80
 12/27/2019   22:48:55   (  -0.03,-137.16) (  -0.77,-140.58)  389.13                80
 12/28/2019   22:27:31   (  -0.02,-137.15) (   0.21,-136.04)  125.60                80
 12/30/2019   10:52:00   (   0.03,-137.13) (   0.94,-141.32)  477.19                80
 12/31/2019   10:30:36   (   0.02,-137.11) (  -0.04,-136.78)   37.28                80