Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 17.  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)
 07/17/2021   07:35:02   (   0.01,-137.20) (  -0.80,-140.90)  420.94                80
 07/19/2021   07:22:53   (   0.00,-137.21) (  -0.17,-137.95)   84.61                80
 07/21/2021   07:13:23   (  -0.01,-137.20) (   0.47,-135.00)  250.84                80
 07/21/2021   19:31:58   (   0.01,-137.20) (   0.61,-140.15)  335.29                80
 07/23/2021   19:19:47   (   0.02,-137.19) (   0.04,-137.19)    1.92                80
 07/25/2021   19:10:17   (   0.02,-137.17) (  -0.60,-134.24)  333.69                80
 07/26/2021   07:31:42   (  -0.02,-137.16) (  -0.48,-139.43)  257.74                80
 07/28/2021   07:16:52   (   0.02,-137.15) (   0.16,-136.48)   75.61                80
 07/30/2021   07:04:42   (   0.02,-137.13) (   0.80,-133.53)  409.43                80
 07/30/2021   19:25:57   (  -0.02,-137.12) (   0.34,-138.68)  177.13                80