Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 9 6.  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)  402.41                80
 09/07/2015   11:20:17   (   0.33,-135.18) (   0.52,-135.97)   89.69                80
 09/08/2015   11:11:43   (   0.33,-135.20) (  -0.10,-133.24)  222.99                80
 09/10/2015   23:31:11   (  -0.31,-135.23) (  -1.05,-138.55)  378.15                80
 09/11/2015   23:19:56   (  -0.31,-135.24) (  -0.41,-135.82)   65.48                80
 09/12/2015   23:11:21   (  -0.31,-135.25) (   0.16,-133.08)  247.20                80
 09/15/2015   11:30:50   (   0.29,-135.27) (   1.02,-138.39)  356.18                80
 09/16/2015   11:19:35   (   0.29,-135.27) (   0.38,-135.66)   44.14                80
 09/17/2015   11:11:01   (   0.30,-135.27) (  -0.26,-132.93)  267.74                80
 09/19/2015   23:30:26   (  -0.27,-135.27) (  -0.95,-138.22)  336.97                80