Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/17/2021   19:22:17   (   0.04,-137.21) (   0.05,-137.17)    4.89                80
 03/19/2021   19:07:25   (   0.04,-137.21) (  -0.62,-134.22)  340.19                80
 03/20/2021   07:31:28   (  -0.04,-137.20) (  -0.54,-139.40)  251.32                80
 03/22/2021   07:16:36   (  -0.04,-137.18) (   0.14,-136.45)   83.18                80
 03/24/2021   07:04:23   (  -0.03,-137.15) (   0.76,-133.49)  416.92                80
 03/24/2021   19:25:38   (   0.03,-137.16) (   0.34,-138.65)  169.36                80
 03/26/2021   19:16:05   (   0.03,-137.13) (  -0.28,-135.68)  163.77                80
 03/27/2021   07:34:49   (  -0.03,-137.11) (  -0.82,-140.88)  428.20                80
 03/28/2021   19:03:52   (   0.03,-137.09) (  -0.90,-132.72)  496.49                80
 03/29/2021   07:22:36   (  -0.03,-137.07) (  -0.19,-137.92)   95.61                80