Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 11 21.  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)
 11/21/2021   22:17:43   (  -0.01,-137.21) (   0.92,-133.11)  467.05                80
 11/23/2021   10:36:49   (   0.01,-137.19) (   0.28,-138.37)  134.35                80
 11/24/2021   10:20:43   (   0.01,-137.18) (  -0.73,-133.83)  381.27                80
 11/25/2021   22:39:59   (  -0.01,-137.16) (  -0.44,-139.13)  224.82                80
 11/26/2021   22:23:53   (  -0.01,-137.15) (   0.57,-134.60)  290.58                80
 11/28/2021   10:45:40   (   0.00,-137.13) (   0.63,-139.86)  311.60                80
 11/29/2021   10:24:14   (   0.01,-137.11) (  -0.38,-135.32)  203.43                80
 11/30/2021   22:46:09   (  -0.00,-137.08) (  -0.78,-140.62)  403.77                80
 12/01/2021   22:30:04   (  -0.00,-137.06) (   0.23,-136.09)  110.88                80
 12/03/2021   10:51:50   (   0.00,-137.03) (   0.97,-141.35)  492.58                80
 12/04/2021   10:30:25   (   0.00,-137.00) (  -0.04,-136.81)   21.25                80