Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 7 17.  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)
 07/19/2015   23:24:01   (   0.21,-135.12) (  -0.39,-137.78)  302.91                80
 07/20/2015   23:15:28   (   0.21,-135.13) (   0.24,-135.06)    8.65                80
 07/21/2015   23:04:15   (   0.21,-135.13) (   0.87,-132.33)  320.07                80
 07/24/2015   11:23:35   (  -0.23,-135.12) (   0.33,-137.61)  282.81                80
 07/25/2015   11:15:02   (  -0.23,-135.12) (  -0.30,-134.88)   28.09                80
 07/26/2015   11:03:48   (  -0.23,-135.12) (  -0.93,-132.16)  338.69                80
 07/28/2015   23:23:27   (   0.25,-135.12) (  -0.27,-137.51)  271.31                80
 07/29/2015   23:14:53   (   0.25,-135.11) (   0.32,-134.77)   38.70                80
 07/30/2015   23:03:39   (   0.25,-135.10) (   0.96,-132.05)  348.53                80