Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 11.  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)
 09/13/2018   01:24:36   (  -0.23,-135.27) (  -0.72,-137.50)  253.33                80
 09/14/2018   01:15:41   (  -0.24,-135.31) (  -0.07,-134.68)   72.71                80
 09/15/2018   01:04:07   (  -0.25,-135.34) (   0.59,-131.85)  398.59                80
 09/16/2018   13:34:09   (   0.20,-135.46) (   1.18,-139.69)  483.05                80
 09/17/2018   13:22:35   (   0.21,-135.49) (   0.53,-136.87)  157.78                80
 09/18/2018   13:13:40   (   0.22,-135.51) (  -0.12,-134.04)  167.31                80
 09/19/2018   13:02:06   (   0.22,-135.53) (  -0.77,-131.22)  492.30                80
 09/21/2018   01:32:26   (  -0.17,-135.49) (  -1.03,-139.13)  416.54                80
 09/22/2018   01:20:51   (  -0.18,-135.51) (  -0.37,-136.31)   91.55                80
 09/23/2018   01:11:57   (  -0.18,-135.53) (   0.29,-133.49)  233.25                80