Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 16.  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)
 01/17/2021   07:17:00   (  -0.00,-137.21) (   0.18,-136.46)   85.05                80
 01/19/2021   07:04:47   (  -0.00,-137.20) (   0.77,-133.50)  420.99                80
 01/19/2021   19:26:03   (   0.00,-137.21) (   0.28,-138.66)  164.57                80
 01/21/2021   19:16:30   (   0.01,-137.20) (  -0.31,-135.69)  170.83                80
 01/22/2021   07:37:53   (  -0.01,-137.18) (  -0.78,-140.89)  420.71                80
 01/24/2021   07:25:41   (  -0.01,-137.16) (  -0.18,-137.92)   86.28                80
 01/26/2021   07:10:48   (  -0.02,-137.13) (   0.43,-134.96)  247.33                80
 01/26/2021   19:32:03   (   0.02,-137.13) (   0.63,-140.12)  338.97                80
 01/28/2021   19:19:50   (   0.02,-137.10) (   0.02,-137.16)    6.45                80