Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 3.  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)
 06/04/2018   00:49:57   (   0.10,-134.84) (   0.75,-131.90)  334.46                80
 06/06/2018   13:08:33   (  -0.12,-134.72) (   0.42,-136.94)  254.82                80
 06/07/2018   12:59:41   (  -0.12,-134.67) (  -0.26,-134.13)   61.77                80
 06/08/2018   12:48:07   (  -0.12,-134.62) (  -0.87,-131.31)  378.19                80
 06/11/2018   01:06:50   (   0.14,-134.50) (  -0.32,-136.38)  214.88                80
 06/12/2018   00:57:57   (   0.14,-134.45) (   0.32,-133.56)  101.11                80
 06/13/2018   00:46:23   (   0.14,-134.39) (   0.96,-130.74)  416.82                80
 06/14/2018   13:16:34   (  -0.17,-134.30) (   0.84,-138.61)  491.99                80
 06/15/2018   13:05:01   (  -0.17,-134.24) (   0.22,-135.79)  177.08                80
 06/16/2018   12:56:08   (  -0.17,-134.18) (  -0.46,-132.98)  137.77                80
 06/17/2018   12:44:35   (  -0.16,-134.12) (  -1.09,-130.16)  452.53                80