Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 31.  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)
 07/31/2021   22:34:28   (  -0.03,-137.21) (  -0.16,-137.78)   65.28                80
 08/01/2021   22:18:23   (  -0.03,-137.21) (   0.86,-133.26)  451.09                80
 08/03/2021   10:40:10   (   0.03,-137.21) (   0.34,-138.52)  150.23                80
 08/04/2021   10:18:46   (   0.02,-137.20) (  -0.68,-133.99)  365.48                80
 08/05/2021   22:40:43   (   0.02,-137.20) (  -0.44,-139.31)  240.77                80
 08/06/2021   22:24:38   (   0.02,-137.19) (   0.53,-134.77)  274.88                80
 08/08/2021   10:46:26   (  -0.01,-137.17) (   0.61,-140.05)  327.43                80
 08/09/2021   10:25:01   (  -0.01,-137.16) (  -0.36,-135.51)  187.79                80
 08/10/2021   22:46:57   (   0.01,-137.14) (  -0.82,-140.82)  418.69                80
 08/11/2021   22:30:53   (   0.01,-137.13) (   0.21,-136.29)   96.29                80