Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 6.  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)
 01/06/2021   07:38:02   (  -0.01,-137.22) (  -0.79,-140.91)  419.47                80
 01/08/2021   07:25:50   (   0.00,-137.22) (  -0.15,-137.95)   83.17                80
 01/10/2021   07:10:58   (   0.02,-137.21) (   0.49,-134.99)  252.34                80
 01/10/2021   19:32:13   (  -0.02,-137.22) (   0.63,-140.14)  333.43                80
 01/12/2021   19:22:41   (  -0.01,-137.20) (  -0.02,-137.19)    1.96                80
 01/14/2021   19:10:28   (  -0.01,-137.19) (  -0.61,-134.22)  336.62                80
 01/15/2021   07:29:11   (   0.01,-137.18) (  -0.49,-139.41)  254.85                80
 01/17/2021   07:19:40   (   0.00,-137.16) (   0.17,-136.46)   79.93                80
 01/19/2021   07:07:27   (  -0.00,-137.14) (   0.76,-133.49)  414.38                80
 01/19/2021   19:26:01   (   0.00,-137.14) (   0.35,-138.64)  171.92                80