Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 8.  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)
 12/09/2020   03:21:57   (   0.04,-137.22) (   0.63,-134.57)  302.09                80
 12/11/2020   15:40:14   (  -0.04,-137.23) (   0.47,-139.53)  262.03                80
 12/12/2020   15:31:12   (  -0.03,-137.22) (  -0.19,-136.67)   64.25                80
 12/13/2020   15:19:28   (  -0.03,-137.22) (  -0.80,-133.80)  390.18                80
 12/16/2020   03:37:43   (   0.02,-137.19) (  -0.35,-138.74)  177.39                80
 12/17/2020   03:28:40   (   0.01,-137.18) (   0.32,-135.88)  148.19                80
 12/18/2020   03:16:58   (   0.01,-137.16) (   0.99,-133.02)  473.66                80
 12/19/2020   15:46:57   (  -0.01,-137.16) (   0.82,-140.83)  419.13                80
 12/20/2020   15:35:14   (  -0.00,-137.14) (   0.21,-137.96)   93.83                80
 12/21/2020   15:26:11   (  -0.00,-137.13) (  -0.47,-135.10)  231.45                80