Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 15.  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   03:40:24   (   0.04,-137.23) (  -0.29,-138.75)  173.33                80
 12/17/2020   03:26:01   (   0.03,-137.23) (   0.33,-135.88)  153.42                80
 12/18/2020   03:16:58   (   0.03,-137.23) (   1.00,-133.02)  480.01                80
 12/19/2020   15:46:57   (  -0.03,-137.23) (   0.81,-140.84)  411.62                80
 12/20/2020   15:35:15   (  -0.03,-137.23) (   0.13,-137.98)   85.15                80
 12/21/2020   15:26:12   (  -0.03,-137.23) (  -0.54,-135.12)  241.31                80
 12/24/2020   03:47:06   (   0.02,-137.22) (  -0.64,-140.05)  324.08                80
 12/25/2020   03:35:24   (   0.02,-137.21) (   0.04,-137.20)    2.46                80
 12/26/2020   03:23:40   (   0.02,-137.20) (   0.66,-134.32)  327.83                80
 12/28/2020   15:41:57   (  -0.00,-137.18) (   0.47,-139.28)  239.89                80