Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 1 12.  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)
 01/12/2020   19:10:28   (   0.01,-137.21) (  -0.62,-134.23)  339.35                80
 01/13/2020   07:29:12   (  -0.01,-137.20) (  -0.50,-139.42)  251.99                80
 01/15/2020   07:19:41   (  -0.01,-137.21) (   0.16,-136.47)   84.56                80
 01/17/2020   07:07:29   (  -0.02,-137.21) (   0.76,-133.50)  420.57                80
 01/17/2020   19:26:05   (   0.01,-137.21) (   0.31,-138.67)  165.16                80
 01/19/2020   19:16:33   (   0.01,-137.21) (  -0.28,-135.70)  170.06                80
 01/20/2020   07:35:18   (  -0.00,-137.20) (  -0.77,-140.91)  421.62                80
 01/22/2020   07:23:06   (  -0.01,-137.18) (  -0.18,-137.94)   87.21                80
 01/24/2020   07:13:35   (  -0.01,-137.16) (   0.48,-134.99)  246.79                80
 01/24/2020   19:32:10   (   0.00,-137.16) (   0.66,-140.14)  339.76                80