Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 29.  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)
 09/30/2021   10:49:49   (   0.03,-137.19) (   1.00,-141.53)  493.75                80
 10/01/2021   10:31:03   (   0.03,-137.18) (   0.01,-136.99)   21.94                80
 10/03/2021   22:34:15   (  -0.02,-137.16) (  -0.13,-137.77)   68.85                80
 10/04/2021   22:18:10   (  -0.02,-137.15) (   0.86,-133.23)  446.45                80
 10/06/2021   10:37:17   (   0.02,-137.13) (   0.31,-138.50)  156.51                80
 10/07/2021   10:21:12   (   0.02,-137.11) (  -0.68,-133.96)  358.36                80
 10/08/2021   22:40:27   (  -0.02,-137.08) (  -0.53,-139.26)  248.80                80
 10/09/2021   22:24:22   (  -0.02,-137.06) (   0.52,-134.74)  265.51                80
 10/11/2021   10:43:29   (   0.02,-137.02) (   0.71,-139.99)  339.16                80
 10/12/2021   10:27:24   (   0.02,-137.00) (  -0.34,-135.47)  174.47                80