Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 10.  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)
 07/10/2021   07:28:56   (  -0.01,-137.18) (  -0.49,-139.43)  255.88                80
 07/12/2021   07:19:25   (  -0.01,-137.17) (   0.15,-136.47)   79.77                80
 07/14/2021   07:07:14   (  -0.00,-137.16) (   0.79,-133.52)  414.85                80
 07/14/2021   19:25:49   (  -0.00,-137.16) (   0.33,-138.67)  172.11                80
 07/16/2021   19:16:18   (  -0.00,-137.14) (  -0.32,-135.71)  162.48                80
 07/17/2021   07:35:01   (   0.01,-137.13) (  -0.80,-140.90)  428.18                80
 07/18/2021   19:04:06   (   0.00,-137.11) (  -0.91,-132.74)  496.44                80
 07/19/2021   07:22:51   (  -0.00,-137.11) (  -0.15,-137.94)   94.45                80
 07/21/2021   07:13:19   (  -0.02,-137.07) (   0.44,-134.98)  238.62                80
 07/21/2021   19:31:53   (   0.02,-137.06) (   0.68,-140.13)  348.96                80
 07/23/2021   19:19:42   (   0.01,-137.01) (   0.02,-137.17)   17.46                80