Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 15.  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)
 09/16/2015   11:19:35   (   0.30,-135.27) (   0.40,-135.65)   44.26                80
 09/17/2015   11:11:00   (   0.30,-135.27) (  -0.23,-132.92)  267.64                80
 09/19/2015   23:30:27   (  -0.27,-135.27) (  -0.92,-138.23)  336.24                80
 09/20/2015   23:19:11   (  -0.28,-135.27) (  -0.34,-135.49)   24.93                80
 09/21/2015   23:10:37   (  -0.28,-135.27) (   0.30,-132.76)  286.20                80
 09/24/2015   11:30:05   (   0.24,-135.24) (   0.90,-138.06)  321.30                80
 09/25/2015   11:21:30   (   0.25,-135.23) (   0.25,-135.33)   11.05                80
 09/26/2015   11:10:15   (   0.25,-135.22) (  -0.35,-132.59)  299.56                80
 09/28/2015   23:29:42   (  -0.22,-135.18) (  -0.81,-137.90)  309.11                80