Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 17.  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)
 04/19/2019   18:42:10   (  -0.06,-127.72) (  -0.03,-127.94)   25.23                80
 04/21/2019   18:32:38   (  -0.07,-127.80) (  -0.67,-124.99)  319.43                80
 04/22/2019   06:54:02   (   0.07,-127.80) (  -0.44,-130.18)  270.90                80
 04/24/2019   06:39:10   (   0.08,-127.87) (   0.20,-127.23)   73.03                80
 04/26/2019   06:26:58   (   0.08,-127.94) (   0.84,-124.27)  416.57                80
 04/26/2019   18:48:14   (  -0.09,-127.97) (   0.21,-129.44)  166.16                80
 04/28/2019   18:38:42   (  -0.09,-128.04) (  -0.43,-126.49)  177.17                80
 04/29/2019   07:00:06   (   0.09,-128.04) (  -0.67,-131.68)  412.98                80
 05/01/2019   06:47:54   (   0.09,-128.11) (  -0.03,-128.73)   69.99                80