Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 22.  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)
 07/23/2019   07:16:49   (   0.00,-137.19) (   0.13,-136.47)   81.15                80
 07/25/2019   07:04:39   (   0.00,-137.17) (   0.77,-133.51)  415.66                80
 07/25/2019   19:25:55   (   0.00,-137.18) (   0.32,-138.67)  170.15                80
 07/27/2019   19:16:25   (   0.00,-137.15) (  -0.31,-135.72)  163.30                80
 07/28/2019   07:37:49   (  -0.01,-137.14) (  -0.83,-140.90)  428.52                80
 07/29/2019   19:04:15   (  -0.00,-137.12) (  -0.93,-132.76)  495.65                80
 07/30/2019   07:25:39   (  -0.00,-137.11) (  -0.21,-137.95)   96.50                80
 08/01/2019   07:10:50   (   0.00,-137.06) (   0.46,-135.01)  234.69                80
 08/01/2019   19:32:06   (   0.00,-137.06) (   0.63,-140.16)  352.31                80
 08/03/2019   19:19:56   (  -0.00,-137.01) (   0.04,-137.20)   21.76                80