Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2020 12 18.  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)
 12/18/2020   03:14:18   (   0.04,-137.23) (   1.03,-133.03)  479.77                80
 12/19/2020   15:46:58   (  -0.03,-137.23) (   0.78,-140.84)  411.94                80
 12/20/2020   15:35:15   (  -0.03,-137.23) (   0.11,-137.98)   85.61                80
 12/21/2020   15:26:12   (  -0.03,-137.22) (  -0.50,-135.11)  240.80                80
 12/24/2020   03:47:07   (   0.03,-137.21) (  -0.62,-140.06)  324.87                80
 12/25/2020   03:35:24   (   0.03,-137.20) (   0.06,-137.20)    3.33                80
 12/26/2020   03:23:41   (   0.02,-137.19) (   0.67,-134.33)  326.79                80
 12/28/2020   15:41:56   (  -0.01,-137.17) (   0.51,-139.27)  241.12                80
 12/29/2020   15:32:54   (  -0.01,-137.15) (  -0.17,-136.41)   84.02                80
 12/30/2020   15:21:12   (  -0.00,-137.13) (  -0.86,-133.56)  408.89                80