Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 7 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)
 07/12/2017   12:40:30   (  -0.24,-135.31) (   0.75,-139.56)  485.35                80
 07/13/2017   12:29:02   (  -0.24,-135.29) (   0.08,-136.77)  169.03                80
 07/14/2017   12:14:54   (  -0.24,-135.27) (  -0.52,-133.97)  147.22                80
 07/15/2017   12:06:06   (  -0.24,-135.24) (  -1.19,-131.19)  463.27                80
 07/17/2017   00:36:31   (   0.25,-135.20) (  -0.67,-139.12)  447.10                80
 07/18/2017   00:25:03   (   0.25,-135.18) (  -0.02,-136.33)  131.46                80
 07/19/2017   00:16:16   (   0.25,-135.15) (   0.63,-133.54)  183.88                80
 07/20/2017   00:04:48   (   0.25,-135.12) (   1.28,-130.75)  499.05                80
 07/21/2017   12:37:44   (  -0.27,-135.07) (   0.58,-138.64)  408.74                80
 07/22/2017   12:26:17   (  -0.28,-135.03) (  -0.09,-135.86)   94.03                80
 07/23/2017   12:12:09   (  -0.27,-134.99) (  -0.71,-133.06)  220.61                80