Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 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)
 06/05/2021   19:19:35   (   0.03,-137.19) (   0.05,-137.22)    3.92                80
 06/07/2021   19:10:05   (   0.03,-137.18) (  -0.61,-134.27)  331.08                80
 06/08/2021   07:28:48   (  -0.03,-137.16) (  -0.52,-139.46)  260.66                80
 06/10/2021   07:19:17   (  -0.03,-137.14) (   0.08,-136.49)   73.22                80
 06/12/2021   07:07:08   (  -0.02,-137.11) (   0.74,-133.54)  406.07                80
 06/12/2021   19:25:43   (   0.02,-137.11) (   0.34,-138.70)  180.37                80
 06/14/2021   19:16:12   (   0.01,-137.08) (  -0.27,-135.74)  151.75                80
 06/15/2021   07:37:36   (  -0.01,-137.06) (  -0.86,-140.93)  440.45                80
 06/16/2021   19:04:01   (   0.01,-137.03) (  -0.87,-132.78)  483.40                80
 06/17/2021   07:25:26   (  -0.01,-137.02) (  -0.19,-137.98)  108.93                80