Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 5 22.  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)
 05/23/2019   18:30:16   (  -0.13,-128.46) (  -0.85,-125.04)  388.65                80
 05/24/2019   06:54:20   (   0.12,-128.42) (  -0.28,-130.23)  205.89                80
 05/26/2019   06:39:30   (   0.13,-128.42) (   0.36,-127.27)  130.53                80
 05/26/2019   19:03:25   (  -0.12,-128.46) (   0.73,-132.43)  451.28                80
 05/28/2019   06:27:20   (   0.14,-128.43) (   1.01,-124.32)  466.74                80
 05/28/2019   18:51:15   (  -0.13,-128.47) (   0.08,-129.48)  115.08                80
 05/30/2019   18:36:25   (  -0.13,-128.46) (  -0.56,-126.53)  220.76                80
 05/31/2019   07:00:29   (   0.12,-128.43) (  -0.56,-131.71)  373.49                80
 06/02/2019   06:48:18   (   0.12,-128.42) (   0.03,-128.75)   38.61                80
 06/04/2019   06:33:28   (   0.13,-128.40) (   0.68,-125.80)  295.50                80
 06/04/2019   18:57:24   (  -0.12,-128.43) (   0.41,-130.96)  287.47                80