Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 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)
 08/08/2021   19:22:36   (  -0.02,-137.21) (  -0.02,-137.21)    0.97                80
 08/10/2021   19:10:25   (  -0.03,-137.21) (  -0.63,-134.24)  336.54                80
 08/11/2021   07:29:09   (   0.03,-137.20) (  -0.45,-139.44)  254.55                80
 08/13/2021   07:19:39   (   0.03,-137.20) (   0.16,-136.48)   81.24                80
 08/15/2021   07:07:29   (   0.02,-137.19) (   0.83,-133.53)  416.23                80
 08/15/2021   19:26:03   (  -0.02,-137.19) (   0.31,-138.68)  169.91                80
 08/17/2021   19:16:32   (  -0.02,-137.17) (  -0.30,-135.72)  163.99                80
 08/18/2021   07:37:56   (   0.00,-137.15) (  -0.82,-140.91)  427.48                80
 08/19/2021   19:04:21   (   0.00,-137.14) (  -0.91,-132.76)  497.40                80
 08/20/2021   07:25:46   (  -0.00,-137.12) (  -0.15,-137.96)   94.43                80