Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 8.  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)
 10/09/2018   01:24:52   (  -0.07,-135.56) (  -0.35,-136.71)  131.60                80
 10/10/2018   01:15:57   (  -0.08,-135.56) (   0.28,-133.88)  190.75                80
 10/12/2018   13:34:29   (   0.04,-135.64) (   0.83,-138.91)  374.26                80
 10/13/2018   13:22:54   (   0.05,-135.63) (   0.15,-136.09)   52.56                80
 10/14/2018   13:13:59   (   0.06,-135.62) (  -0.46,-133.26)  268.93                80
 10/17/2018   01:32:38   (  -0.02,-135.48) (  -0.67,-138.32)  323.69                80
 10/18/2018   01:21:02   (  -0.03,-135.47) (  -0.03,-135.49)    2.36                80
 10/19/2018   01:12:07   (  -0.03,-135.45) (   0.61,-132.66)  318.77                80
 10/21/2018   13:30:41   (  -0.01,-135.51) (   0.49,-137.70)  249.76                80