Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2019   13:56:36   (   0.09,-127.95) (   0.88,-131.47)  401.16                80
 09/22/2019   13:44:56   (   0.10,-127.92) (   0.26,-128.62)   79.89                80
 09/23/2019   13:35:58   (   0.10,-127.88) (  -0.41,-125.78)  241.10                80
 09/26/2019   01:54:33   (  -0.06,-127.72) (  -0.78,-130.80)  351.85                80
 09/27/2019   01:42:54   (  -0.07,-127.68) (  -0.11,-127.96)   31.14                80
 09/28/2019   01:33:55   (  -0.07,-127.64) (   0.50,-125.10)  289.56                80
 09/30/2019   13:52:12   (   0.03,-127.61) (   0.60,-130.07)  279.95                80
 10/01/2019   13:43:13   (   0.04,-127.57) (  -0.07,-127.23)   40.57                80
 10/02/2019   13:31:34   (   0.05,-127.53) (  -0.68,-124.37)  360.80                80
 10/05/2019   01:50:08   (  -0.01,-127.35) (  -0.49,-129.40)  234.06                80