Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2021   07:00:38   (   0.09,-128.08) (  -0.69,-131.67)  408.29                80
 07/09/2021   06:48:27   (   0.10,-128.01) (  -0.05,-128.71)   79.09                80
 07/11/2021   06:33:36   (   0.11,-127.94) (   0.59,-125.75)  249.41                80
 07/11/2021   18:54:51   (  -0.09,-127.89) (   0.53,-130.90)  341.96                80
 07/13/2021   18:45:19   (  -0.10,-127.82) (  -0.05,-127.93)   14.06                80
 07/15/2021   18:33:08   (  -0.11,-127.74) (  -0.69,-124.98)  314.24                80
 07/16/2021   06:54:32   (   0.09,-127.76) (  -0.43,-130.16)  273.80                80
 07/18/2021   06:39:41   (   0.10,-127.67) (   0.22,-127.21)   53.45                80
 07/20/2021   06:27:29   (   0.10,-127.58) (   0.82,-124.24)  379.88                80
 07/20/2021   18:48:44   (  -0.08,-127.52) (   0.31,-129.39)  213.13                80