Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 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)
 07/10/2018   13:17:32   (  -0.28,-135.40) (   0.32,-138.04)  300.98                80
 07/11/2018   13:08:38   (  -0.28,-135.41) (  -0.34,-135.22)   22.40                80
 07/12/2018   12:57:05   (  -0.28,-135.43) (  -1.00,-132.40)  345.43                80
 07/15/2018   01:15:43   (   0.30,-135.47) (  -0.18,-137.45)  227.49                80
 07/16/2018   01:06:49   (   0.30,-135.47) (   0.48,-134.64)   95.38                80
 07/17/2018   00:55:16   (   0.30,-135.48) (   1.13,-131.82)  418.20                80
 07/18/2018   13:28:09   (  -0.31,-135.49) (   0.65,-139.70)  481.04                80
 07/19/2018   13:16:36   (  -0.31,-135.49) (  -0.02,-136.89)  158.42                80
 07/20/2018   13:02:21   (  -0.31,-135.50) (  -0.62,-134.06)  164.16                80
 07/21/2018   12:53:28   (  -0.31,-135.50) (  -1.29,-131.24)  486.52                80