Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 9.  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)
 07/10/2018   13:17:32   (  -0.28,-135.40) (   0.33,-138.04)  300.94                80
 07/11/2018   13:08:38   (  -0.28,-135.41) (  -0.33,-135.22)   22.42                80
 07/12/2018   12:57:05   (  -0.28,-135.43) (  -0.99,-132.40)  345.57                80
 07/15/2018   01:15:42   (   0.30,-135.47) (  -0.19,-137.45)  227.09                80
 07/16/2018   01:06:49   (   0.30,-135.48) (   0.47,-134.63)   95.87                80
 07/17/2018   00:55:16   (   0.30,-135.49) (   1.12,-131.82)  418.72                80
 07/18/2018   13:28:09   (  -0.31,-135.49) (   0.66,-139.70)  480.56                80
 07/19/2018   13:16:35   (  -0.31,-135.50) (  -0.01,-136.88)  157.88                80
 07/20/2018   13:02:21   (  -0.31,-135.50) (  -0.62,-134.05)  164.75                80
 07/21/2018   12:53:27   (  -0.31,-135.51) (  -1.29,-131.24)  487.17                80
 07/23/2018   01:23:40   (   0.32,-135.52) (  -0.53,-139.11)  410.31                80