Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 21.  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)
 04/21/2019   18:32:38   (  -0.07,-127.80) (  -0.64,-124.98)  319.53                80
 04/22/2019   06:54:02   (   0.07,-127.79) (  -0.41,-130.19)  271.70                80
 04/24/2019   06:39:10   (   0.08,-127.86) (   0.24,-127.23)   72.02                80
 04/26/2019   06:26:59   (   0.08,-127.93) (   0.88,-124.28)  415.28                80
 04/26/2019   18:48:13   (  -0.09,-127.97) (   0.22,-129.44)  166.69                80
 04/28/2019   18:38:41   (  -0.09,-128.03) (  -0.43,-126.48)  176.40                80
 04/29/2019   07:00:05   (   0.09,-128.03) (  -0.68,-131.68)  414.66                80
 05/01/2019   06:47:53   (   0.09,-128.09) (  -0.02,-128.72)   71.91                80
 05/03/2019   06:33:00   (   0.10,-128.15) (   0.57,-125.76)  270.50                80
 05/03/2019   18:54:16   (  -0.10,-128.18) (   0.48,-130.93)  312.16                80