Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 8.  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) (  -0.19,-137.94)   82.72                80
 01/10/2021   07:10:58   (   0.01,-137.22) (   0.51,-135.00)  253.02                80
 01/10/2021   19:32:13   (  -0.02,-137.22) (   0.60,-140.15)  332.77                80
 01/12/2021   19:22:41   (  -0.02,-137.21) (  -0.04,-137.19)    3.51                80
 01/14/2021   19:10:28   (  -0.01,-137.20) (  -0.63,-134.23)  337.76                80
 01/15/2021   07:29:12   (   0.01,-137.19) (  -0.47,-139.42)  253.66                80
 01/17/2021   07:19:39   (  -0.00,-137.17) (   0.12,-136.45)   81.49                80
 01/19/2021   07:07:27   (  -0.01,-137.15) (   0.78,-133.50)  416.19                80
 01/19/2021   19:26:02   (   0.01,-137.16) (   0.34,-138.65)  169.98                80
 01/21/2021   19:16:30   (  -0.00,-137.13) (  -0.31,-135.69)  163.78                80