Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 16.  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)
 12/16/2020   03:40:29   (   0.04,-137.23) (   0.00,-138.82)  176.92                80
 12/17/2020   03:26:00   (   0.03,-137.23) (   0.32,-135.88)  153.53                80
 12/18/2020   03:14:18   (   0.03,-137.23) (   1.00,-133.02)  480.12                80
 12/19/2020   15:46:57   (  -0.03,-137.23) (   0.81,-140.83)  411.54                80
 12/20/2020   15:35:15   (  -0.03,-137.23) (   0.14,-137.98)   85.05                80
 12/21/2020   15:26:12   (  -0.03,-137.23) (  -0.53,-135.12)  241.39                80
 12/24/2020   03:47:06   (   0.02,-137.22) (  -0.65,-140.05)  323.94                80
 12/25/2020   03:35:24   (   0.02,-137.21) (   0.03,-137.19)    2.11                80
 12/26/2020   03:23:41   (   0.02,-137.20) (   0.70,-134.34)  327.96                80
 12/28/2020   15:41:57   (  -0.01,-137.18) (   0.48,-139.28)  239.78                80
 12/29/2020   15:32:55   (  -0.00,-137.16) (  -0.20,-136.42)   85.44                80