Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 6.  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)
 06/07/2021   19:10:05   (   0.03,-137.17) (  -0.61,-134.27)  330.78                80
 06/08/2021   07:28:48   (  -0.03,-137.16) (  -0.52,-139.46)  261.01                80
 06/10/2021   07:19:18   (  -0.03,-137.14) (   0.08,-136.49)   72.56                80
 06/12/2021   07:07:08   (  -0.03,-137.10) (   0.75,-133.54)  405.18                80
 06/12/2021   19:25:43   (   0.02,-137.10) (   0.34,-138.70)  181.40                80
 06/14/2021   19:16:12   (   0.02,-137.06) (  -0.27,-135.74)  150.47                80
 06/15/2021   07:34:56   (  -0.02,-137.04) (  -0.86,-140.93)  441.81                80
 06/16/2021   19:04:01   (   0.02,-137.02) (  -0.88,-132.78)  481.83                80
 06/17/2021   07:22:45   (  -0.02,-137.00) (  -0.25,-137.97)  110.58                80
 06/19/2021   07:13:15   (  -0.01,-136.95) (   0.42,-135.02)  220.27                80
 06/19/2021   19:31:50   (   0.01,-136.94) (   0.72,-140.16)  366.88                80