Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 1 18.  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)
 01/19/2020   19:16:32   (  -0.00,-137.22) (  -0.30,-135.70)  171.90                80
 01/20/2020   07:35:16   (   0.01,-137.21) (  -0.81,-140.90)  419.92                80
 01/22/2020   07:23:04   (   0.00,-137.20) (  -0.18,-137.94)   84.76                80
 01/24/2020   07:13:32   (   0.00,-137.18) (   0.44,-134.98)  250.17                80
 01/24/2020   19:32:08   (  -0.01,-137.19) (   0.62,-140.14)  335.61                80
 01/26/2020   19:22:36   (  -0.00,-137.17) (  -0.00,-137.18)    1.34                80
 01/28/2020   19:10:24   (   0.00,-137.15) (  -0.63,-134.23)  333.13                80
 01/29/2020   07:29:08   (   0.00,-137.14) (  -0.47,-139.42)  259.05                80
 01/31/2020   07:19:35   (  -0.00,-137.11) (   0.11,-136.45)   74.68                80