Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 7 19.  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) (  -0.42,-137.77)  302.93                80
 07/20/2015   23:12:48   (   0.21,-135.13) (   0.21,-135.05)    8.77                80
 07/21/2015   23:04:14   (   0.21,-135.13) (   0.84,-132.33)  319.95                80
 07/24/2015   11:23:35   (  -0.23,-135.12) (   0.35,-137.60)  282.95                80
 07/25/2015   11:15:01   (  -0.23,-135.12) (  -0.28,-134.88)   27.82                80
 07/26/2015   11:03:48   (  -0.23,-135.12) (  -0.90,-132.15)  338.41                80
 07/28/2015   23:23:27   (   0.25,-135.12) (  -0.30,-137.50)  271.85                80
 07/29/2015   23:14:53   (   0.25,-135.11) (   0.34,-134.78)   38.11                80
 07/30/2015   23:03:39   (   0.25,-135.09) (   0.93,-132.04)  347.84                80