Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 7.  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)
 01/08/2021   07:25:49   (  -0.00,-137.22) (  -0.17,-137.95)   82.48                80
 01/10/2021   07:10:58   (   0.02,-137.22) (   0.47,-134.99)  253.48                80
 01/10/2021   19:32:13   (  -0.02,-137.23) (   0.59,-140.15)  332.18                80
 01/12/2021   19:22:40   (  -0.01,-137.22) (   0.00,-137.19)    4.30                80
 01/14/2021   19:10:28   (  -0.01,-137.21) (  -0.65,-134.23)  338.93                80
 01/15/2021   07:29:12   (   0.01,-137.20) (  -0.45,-139.42)  252.46                80
 01/17/2021   07:19:39   (   0.00,-137.19) (   0.14,-136.45)   82.84                80
 01/19/2021   07:07:27   (  -0.00,-137.17) (   0.80,-133.50)  417.82                80
 01/19/2021   19:26:02   (   0.00,-137.17) (   0.32,-138.65)  168.26                80