Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 4.  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)
 07/05/2021   07:13:19   (  -0.02,-137.15) (   0.46,-135.01)  244.87                80
 07/05/2021   19:31:53   (   0.01,-137.16) (   0.67,-140.15)  341.26                80
 07/07/2021   19:19:43   (   0.02,-137.13) (   0.03,-137.20)    7.55                80
 07/09/2021   19:10:12   (   0.02,-137.10) (  -0.61,-134.24)  325.37                80
 07/10/2021   07:28:55   (  -0.02,-137.08) (  -0.51,-139.43)  266.76                80
 07/12/2021   07:19:24   (  -0.02,-137.04) (   0.13,-136.47)   65.37                80
 07/14/2021   07:07:13   (  -0.02,-136.99) (   0.71,-133.50)  396.79                80
 07/14/2021   19:25:48   (   0.01,-136.99) (   0.35,-138.66)  190.10                80
 07/16/2021   19:16:16   (   0.01,-136.94) (  -0.23,-135.69)  140.78                80
 07/17/2021   07:35:00   (  -0.01,-136.92) (  -0.88,-140.88)  451.78                80