Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-19
TLE Epoch: 2021 1 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)
 01/10/2021   03:46:09   (   0.03,-137.22) (  -0.59,-139.81)  296.44                80
 01/11/2021   03:37:06   (   0.02,-137.21) (   0.08,-136.95)   29.93                80
 01/12/2021   03:25:23   (   0.01,-137.21) (   0.70,-134.08)  356.29                80
 01/14/2021   15:43:37   (   0.01,-137.20) (   0.41,-139.03)  208.10                80
 01/15/2021   15:34:33   (   0.01,-137.19) (  -0.23,-136.16)  118.00                80
 01/16/2021   15:22:50   (   0.01,-137.19) (  -0.87,-133.29)  444.04                80
 01/18/2021   03:52:50   (  -0.02,-137.16) (  -0.95,-141.11)  450.60                80
 01/19/2021   03:41:08   (  -0.02,-137.16) (  -0.27,-138.25)  124.93                80
 01/20/2021   03:32:05   (  -0.02,-137.14) (   0.41,-135.39)  200.61                80