Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2019 9 20.  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   13:56:35   (   0.09,-127.95) (   0.92,-131.46)  401.18                80
 09/22/2019   13:44:56   (   0.10,-127.92) (   0.25,-128.62)   79.97                80
 09/23/2019   13:35:57   (   0.10,-127.88) (  -0.36,-125.77)  240.99                80
 09/26/2019   01:54:33   (  -0.06,-127.72) (  -0.77,-130.80)  352.20                80
 09/27/2019   01:42:54   (  -0.07,-127.68) (  -0.10,-127.96)   31.64                80
 09/28/2019   01:33:55   (  -0.07,-127.64) (   0.51,-125.11)  289.10                80
 09/30/2019   13:52:12   (   0.03,-127.61) (   0.59,-130.07)  280.42                80
 10/01/2019   13:43:12   (   0.04,-127.57) (  -0.02,-127.21)   39.99                80
 10/02/2019   13:31:34   (   0.05,-127.53) (  -0.70,-124.37)  360.25                80