Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2021   07:19:25   (  -0.01,-137.17) (   0.16,-136.48)   79.88                80
 07/14/2021   07:07:13   (  -0.01,-137.16) (   0.75,-133.51)  414.98                80
 07/14/2021   19:25:49   (  -0.00,-137.16) (   0.31,-138.67)  171.92                80
 07/16/2021   19:16:18   (  -0.00,-137.14) (  -0.34,-135.71)  162.74                80
 07/17/2021   07:35:02   (   0.00,-137.14) (  -0.79,-140.90)  428.01                80
 07/18/2021   19:04:06   (   0.00,-137.11) (  -0.93,-132.75)  496.68                80
 07/19/2021   07:22:50   (  -0.00,-137.11) (  -0.20,-137.93)   94.24                80
 07/21/2021   07:13:19   (  -0.01,-137.07) (   0.46,-134.98)  238.75                80
 07/21/2021   19:31:54   (   0.02,-137.06) (   0.66,-140.13)  348.78                80
 07/23/2021   19:19:42   (   0.02,-137.02) (   0.06,-137.16)   16.83                80