Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 6 29.  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)
 06/29/2019   06:27:30   (   0.11,-127.92) (   0.90,-124.29)  412.98                80
 06/29/2019   18:51:25   (  -0.09,-127.94) (   0.24,-129.43)  169.71                80
 07/01/2019   18:36:34   (  -0.10,-127.88) (  -0.37,-126.47)  159.07                80
 07/02/2019   07:00:37   (   0.07,-127.82) (  -0.75,-131.66)  437.22                80
 07/03/2019   18:24:23   (  -0.11,-127.80) (  -0.99,-123.51)  486.97                80
 07/04/2019   06:48:26   (   0.08,-127.74) (  -0.14,-128.70)  109.54                80
 07/06/2019   06:33:35   (   0.09,-127.66) (   0.48,-125.74)  217.65                80
 07/06/2019   18:57:31   (  -0.07,-127.68) (   0.59,-130.90)  366.10                80
 07/08/2019   18:45:20   (  -0.07,-127.59) (  -0.02,-127.94)   39.02                80
 07/10/2019   18:30:29   (  -0.08,-127.51) (  -0.65,-124.98)  288.01                80
 07/11/2019   06:54:32   (   0.05,-127.45) (  -0.53,-130.16)  307.97                80