Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2021   10:36:36   (  -0.01,-137.21) (   0.23,-138.31)  125.10                80
 12/10/2021   10:20:31   (  -0.01,-137.21) (  -0.78,-133.77)  392.15                80
 12/11/2021   22:39:46   (   0.01,-137.21) (  -0.38,-139.07)  211.92                80
 12/12/2021   22:23:39   (   0.01,-137.21) (   0.58,-134.53)  305.31                80
 12/14/2021   10:42:47   (  -0.01,-137.22) (   0.55,-139.80)  293.70                80
 12/15/2021   10:26:40   (  -0.00,-137.22) (  -0.41,-135.25)  223.19                80
 12/16/2021   22:45:56   (   0.00,-137.20) (  -0.75,-140.55)  381.82                80
 12/17/2021   22:29:50   (  -0.00,-137.20) (   0.27,-136.02)  134.59                80
 12/19/2021   10:48:56   (   0.01,-137.19) (   0.91,-141.28)  465.68                80
 12/20/2021   10:32:51   (   0.01,-137.18) (  -0.11,-136.75)   50.22                80
 12/22/2021   22:33:20   (  -0.01,-137.14) (  -0.08,-137.50)   40.86                80