Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 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)
 07/06/2018   01:19:17   (   0.26,-135.32) (  -0.53,-138.60)  375.42                80
 07/07/2018   01:07:44   (   0.26,-135.34) (   0.13,-135.78)   51.32                80
 07/08/2018   00:58:52   (   0.26,-135.36) (   0.84,-132.98)  272.73                80
 07/10/2018   13:17:31   (  -0.28,-135.39) (   0.34,-138.04)  301.91                80
 07/11/2018   13:08:38   (  -0.28,-135.40) (  -0.31,-135.22)   21.14                80
 07/12/2018   12:57:04   (  -0.28,-135.41) (  -0.97,-132.40)  343.95                80
 07/15/2018   01:15:43   (   0.30,-135.44) (  -0.14,-137.46)  230.59                80
 07/16/2018   01:06:50   (   0.30,-135.45) (   0.51,-134.65)   92.04                80
 07/17/2018   00:55:16   (   0.30,-135.45) (   1.17,-131.83)  414.57                80