Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 12 13.  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)
 12/13/2020   22:46:24   (   0.01,-137.22) (  -0.77,-140.66)  391.58                80
 12/14/2020   22:30:19   (   0.00,-137.22) (   0.24,-136.13)  124.56                80
 12/16/2020   10:49:28   (  -0.00,-137.21) (   0.93,-141.40)  476.66                80
 12/17/2020   10:33:23   (   0.00,-137.21) (  -0.08,-136.87)   39.13                80
 12/19/2020   22:33:55   (  -0.00,-137.19) (  -0.12,-137.63)   51.08                80
 12/20/2020   22:17:51   (  -0.00,-137.18) (   0.89,-133.10)  464.57                80
 12/22/2020   10:36:59   (  -0.00,-137.17) (   0.28,-138.37)  137.22                80
 12/23/2020   10:20:54   (   0.00,-137.16) (  -0.73,-133.84)  378.18                80
 12/24/2020   22:40:11   (  -0.00,-137.14) (  -0.47,-139.14)  228.38                80
 12/25/2020   22:24:06   (  -0.01,-137.13) (   0.54,-134.61)  286.68                80