Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 1 1.  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)
 01/03/2015   23:15:12   (   0.11,-135.15) (  -0.67,-138.64)  397.68                80
 01/04/2015   23:04:04   (   0.11,-135.13) (  -0.09,-135.94)   92.48                80
 01/05/2015   22:55:38   (   0.10,-135.11) (   0.55,-133.25)  212.62                80
 01/08/2015   11:15:26   (  -0.11,-135.09) (   0.69,-138.64)  404.22                80
 01/09/2015   11:04:18   (  -0.11,-135.06) (   0.10,-135.93)   99.51                80
 01/10/2015   10:55:51   (  -0.11,-135.03) (  -0.49,-133.23)  205.13                80
 01/12/2015   23:15:37   (   0.11,-134.91) (  -0.71,-138.61)  422.32                80
 01/13/2015   23:04:29   (   0.11,-134.87) (  -0.12,-135.91)  118.15                80
 01/14/2015   22:56:02   (   0.10,-134.84) (   0.48,-133.21)  185.83                80