Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 4.  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)
 09/06/2015   11:31:32   (   0.33,-135.17) (   1.14,-138.70)  402.19                80
 09/07/2015   11:20:17   (   0.33,-135.19) (   0.52,-135.97)   89.46                80
 09/08/2015   11:11:43   (   0.33,-135.20) (  -0.10,-133.24)  223.23                80
 09/10/2015   23:31:11   (  -0.31,-135.23) (  -1.05,-138.55)  378.00                80
 09/11/2015   23:19:56   (  -0.31,-135.24) (  -0.42,-135.82)   65.31                80
 09/12/2015   23:11:21   (  -0.31,-135.25) (   0.16,-133.08)  247.36                80
 09/15/2015   11:30:49   (   0.29,-135.27) (   1.02,-138.39)  355.94                80
 09/16/2015   11:19:35   (   0.29,-135.28) (   0.39,-135.66)   43.90                80
 09/17/2015   11:11:01   (   0.30,-135.28) (  -0.25,-132.93)  267.98                80