Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 4.  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)
 01/05/2021   19:16:38   (  -0.00,-137.23) (  -0.34,-135.72)  171.95                80
 01/06/2021   07:38:02   (   0.00,-137.22) (  -0.76,-140.91)  419.02                80
 01/08/2021   07:25:49   (  -0.00,-137.24) (  -0.18,-137.94)   81.24                80
 01/10/2021   07:10:57   (  -0.01,-137.24) (   0.46,-134.99)  255.88                80
 01/10/2021   19:32:13   (   0.01,-137.25) (   0.60,-140.15)  329.29                80
 01/12/2021   19:22:40   (   0.01,-137.25) (   0.01,-137.18)    7.08                80
 01/14/2021   19:07:48   (   0.01,-137.24) (  -0.64,-134.23)  342.74                80
 01/15/2021   07:31:52   (  -0.01,-137.23) (  -0.46,-139.42)  248.69                80
 01/17/2021   07:16:59   (  -0.01,-137.22) (   0.14,-136.45)   86.99                80
 01/17/2021   19:40:55   (   0.01,-137.23) (   0.92,-141.62)  498.52                80