Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 10.  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)
 07/10/2019   18:30:29   (  -0.08,-127.64) (  -0.64,-124.98)  302.36                80
 07/11/2019   06:54:33   (   0.05,-127.66) (  -0.48,-130.16)  284.79                80
 07/13/2019   06:39:43   (   0.06,-127.79) (   0.21,-127.22)   65.61                80
 07/15/2019   06:27:32   (   0.07,-127.92) (   0.84,-124.26)  415.46                80
 07/15/2019   18:51:27   (  -0.04,-127.96) (   0.29,-129.41)  165.50                80
 07/17/2019   18:36:37   (  -0.05,-128.08) (  -0.40,-126.46)  184.04                80
 07/18/2019   07:00:40   (   0.02,-128.11) (  -0.72,-131.65)  402.76                80
 07/20/2019   06:48:29   (   0.03,-128.23) (  -0.08,-128.69)   53.56                80
 07/22/2019   06:33:40   (   0.04,-128.34) (   0.62,-125.75)  295.34                80
 07/22/2019   18:57:34   (  -0.01,-128.38) (   0.52,-130.90)  286.44                80