Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 22.  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)
 09/24/2015   11:30:05   (   0.24,-135.24) (   0.88,-138.06)  321.74                80
 09/25/2015   11:18:50   (   0.25,-135.23) (   0.29,-135.32)   11.41                80
 09/26/2015   11:10:15   (   0.25,-135.21) (  -0.37,-132.60)  299.04                80
 09/28/2015   23:29:41   (  -0.22,-135.18) (  -0.86,-137.88)  308.91                80
 09/29/2015   23:21:07   (  -0.23,-135.16) (  -0.21,-135.16)    1.78                80
 09/30/2015   23:09:51   (  -0.23,-135.15) (   0.38,-132.42)  311.05                80
 10/03/2015   11:29:18   (   0.20,-135.10) (   0.79,-137.72)  298.89                80
 10/04/2015   11:20:43   (   0.20,-135.07) (   0.19,-134.98)   10.43                80
 10/05/2015   11:09:27   (   0.21,-135.05) (  -0.42,-132.25)  319.70                80