Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 4.  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)
 06/06/2018   13:08:33   (  -0.12,-134.72) (   0.40,-136.95)  254.78                80
 06/07/2018   12:59:41   (  -0.12,-134.67) (  -0.27,-134.14)   61.86                80
 06/08/2018   12:48:07   (  -0.12,-134.62) (  -0.89,-131.31)  378.22                80
 06/11/2018   01:06:50   (   0.14,-134.50) (  -0.31,-136.38)  214.81                80
 06/12/2018   00:57:57   (   0.14,-134.45) (   0.33,-133.56)  101.12                80
 06/13/2018   00:46:23   (   0.14,-134.39) (   0.97,-130.74)  416.86                80
 06/14/2018   13:16:35   (  -0.17,-134.30) (   0.82,-138.61)  491.92                80
 06/15/2018   13:05:01   (  -0.17,-134.24) (   0.20,-135.79)  176.98                80
 06/16/2018   12:56:08   (  -0.17,-134.18) (  -0.42,-132.97)  137.87                80
 06/17/2018   12:44:35   (  -0.16,-134.12) (  -1.11,-130.16)  452.63                80