Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 15.  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)
 05/16/2021   07:22:31   (  -0.04,-137.19) (  -0.23,-137.97)   88.39                80
 05/18/2021   07:13:01   (  -0.04,-137.19) (   0.40,-135.01)  246.67                80
 05/18/2021   19:31:36   (   0.03,-137.18) (   0.69,-140.17)  339.99                80
 05/20/2021   19:19:26   (   0.03,-137.17) (   0.06,-137.22)    5.77                80
 05/22/2021   19:09:56   (   0.03,-137.15) (  -0.58,-134.26)  328.52                80
 05/23/2021   07:28:41   (  -0.03,-137.15) (  -0.49,-139.46)  262.50                80
 05/25/2021   07:19:10   (  -0.03,-137.12) (   0.08,-136.49)   70.62                80
 05/27/2021   07:07:00   (  -0.02,-137.08) (   0.73,-133.54)  402.63                80
 05/27/2021   19:25:36   (   0.02,-137.07) (   0.37,-138.70)  184.95                80
 05/29/2021   19:16:06   (   0.01,-137.03) (  -0.28,-135.75)  146.19                80