Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 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)
 01/12/2021   19:20:01   (  -0.01,-137.25) (  -0.05,-137.20)    7.34                80
 01/14/2021   19:07:48   (   0.00,-137.25) (  -0.63,-134.23)  343.40                80
 01/15/2021   07:31:52   (  -0.01,-137.24) (  -0.46,-139.42)  247.60                80
 01/17/2021   07:16:59   (  -0.02,-137.24) (   0.13,-136.45)   89.09                80
 01/17/2021   19:40:55   (   0.03,-137.25) (   0.93,-141.62)  496.24                80
 01/19/2021   07:04:47   (  -0.02,-137.24) (   0.78,-133.50)  425.23                80
 01/19/2021   19:28:42   (   0.02,-137.24) (   0.33,-138.65)  160.23                80
 01/21/2021   19:13:50   (   0.02,-137.23) (  -0.32,-135.70)  175.21                80
 01/22/2021   07:37:54   (  -0.02,-137.22) (  -0.77,-140.89)  416.36                80
 01/24/2021   07:23:01   (   0.01,-137.20) (  -0.17,-137.92)   82.53                80