Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 7.  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)
 11/07/2021   06:40:16   (   0.30,-128.45) (   0.53,-127.30)  131.21                80
 11/07/2021   19:04:10   (  -0.29,-128.46) (   0.58,-132.45)  454.22                80
 11/09/2021   06:28:04   (   0.30,-128.45) (   1.16,-124.34)  467.58                80
 11/09/2021   18:51:59   (  -0.29,-128.46) (  -0.04,-129.49)  117.91                80
 11/11/2021   18:37:07   (  -0.28,-128.45) (  -0.68,-126.53)  218.30                80
 11/12/2021   07:01:10   (   0.27,-128.45) (  -0.43,-131.72)  372.33                80
 11/14/2021   06:48:58   (   0.27,-128.44) (   0.21,-128.76)   36.12                80
 11/16/2021   06:34:07   (   0.27,-128.44) (   0.85,-125.80)  299.94                80
 11/16/2021   18:58:01   (  -0.26,-128.44) (   0.26,-130.96)  285.74                80
 11/18/2021   18:43:08   (  -0.26,-128.43) (  -0.34,-127.99)   49.84                80
 11/20/2021   18:30:56   (  -0.26,-128.41) (  -0.99,-125.03)  384.77                80