Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 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)
 01/12/2021   19:22:40   (   0.00,-137.25) (   0.01,-137.18)    7.08                80
 01/14/2021   19:07:48   (   0.01,-137.25) (  -0.64,-134.23)  343.60                80
 01/15/2021   07:31:52   (  -0.02,-137.24) (  -0.46,-139.42)  247.52                80
 01/17/2021   07:16:59   (  -0.03,-137.24) (   0.14,-136.45)   89.05                80
 01/17/2021   19:40:54   (   0.03,-137.25) (   0.98,-141.61)  496.24                80
 01/19/2021   07:04:47   (  -0.02,-137.23) (   0.79,-133.50)  425.18                80
 01/19/2021   19:28:42   (   0.03,-137.24) (   0.32,-138.65)  160.24                80
 01/21/2021   19:13:49   (   0.02,-137.23) (  -0.28,-135.69)  175.19                80
 01/22/2021   07:37:53   (  -0.02,-137.22) (  -0.82,-140.88)  416.44                80
 01/24/2021   07:23:01   (  -0.02,-137.20) (  -0.15,-137.93)   82.00                80