Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 1 20.  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)
 01/20/2021   22:34:00   (   0.03,-137.22) (  -0.05,-137.63)   46.24                80
 01/21/2021   22:17:55   (   0.02,-137.21) (   0.97,-133.10)  469.47                80
 01/23/2021   10:37:03   (  -0.02,-137.19) (   0.23,-138.36)  133.04                80
 01/24/2021   10:20:57   (   0.01,-137.17) (  -0.73,-133.82)  382.74                80
 01/25/2021   22:40:14   (  -0.01,-137.16) (  -0.46,-139.11)  223.55                80
 01/26/2021   22:24:09   (  -0.01,-137.14) (   0.56,-134.58)  290.97                80
 01/28/2021   10:45:56   (   0.01,-137.10) (   0.64,-139.85)  313.23                80
 01/29/2021   10:24:32   (   0.01,-137.08) (  -0.38,-135.32)  200.89                80
 01/30/2021   22:46:28   (  -0.01,-137.05) (  -0.81,-140.62)  406.73                80
 01/31/2021   22:30:24   (  -0.01,-137.03) (   0.22,-136.09)  107.19                80
 02/02/2021   10:52:11   (   0.01,-136.98) (   0.99,-141.35)  497.77                80