Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 7.  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)
 08/08/2021   10:46:25   (   0.03,-137.20) (   0.68,-140.03)  322.88                80
 08/09/2021   10:25:00   (   0.03,-137.20) (  -0.34,-135.50)  193.67                80
 08/10/2021   22:46:57   (  -0.03,-137.21) (  -0.84,-140.81)  410.50                80
 08/11/2021   22:30:52   (  -0.03,-137.21) (   0.19,-136.28)  105.81                80
 08/13/2021   10:50:00   (   0.03,-137.20) (   1.01,-141.55)  495.65                80
 08/14/2021   10:33:55   (   0.03,-137.20) (  -0.02,-137.02)   20.19                80
 08/16/2021   22:34:26   (  -0.02,-137.18) (  -0.18,-137.79)   70.36                80
 08/17/2021   22:18:21   (  -0.00,-137.16) (   0.85,-133.26)  444.30                80
 08/19/2021   10:37:30   (  -0.01,-137.14) (   0.29,-138.54)  159.32                80
 08/20/2021   10:21:24   (  -0.01,-137.12) (  -0.68,-134.00)  355.47                80