Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 5.  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   07:13:18   (  -0.01,-137.17) (   0.43,-135.00)  246.41                80
 07/05/2021   19:31:54   (   0.01,-137.17) (   0.64,-140.16)  339.96                80
 07/07/2021   19:22:23   (   0.02,-137.17) (   0.00,-137.20)    3.90                80
 07/09/2021   19:10:11   (   0.02,-137.17) (  -0.58,-134.23)  332.93                80
 07/10/2021   07:28:56   (  -0.02,-137.17) (  -0.49,-139.43)  257.35                80
 07/12/2021   07:19:24   (  -0.02,-137.15) (   0.10,-136.46)   77.90                80
 07/14/2021   07:07:13   (  -0.01,-137.14) (   0.74,-133.51)  412.39                80
 07/14/2021   19:25:49   (   0.01,-137.13) (   0.32,-138.67)  174.78                80
 07/16/2021   19:16:17   (   0.01,-137.11) (  -0.26,-135.70)  159.23                80
 07/17/2021   07:35:02   (  -0.00,-137.10) (  -0.79,-140.90)  431.45                80
 07/18/2021   19:04:06   (   0.01,-137.08) (  -0.91,-132.75)  492.65                80