Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/27/2015   10:17:13   (   0.02,-135.47) (  -0.73,-132.23)  369.75                80
 11/28/2015   22:36:28   (   0.01,-135.44) (  -0.48,-137.53)  238.12                80
 11/29/2015   22:20:24   (  -0.01,-135.44) (   0.57,-133.01)  278.18                80
 12/01/2015   10:39:31   (  -0.02,-135.45) (   0.61,-138.28)  321.96                80
 12/02/2015   10:23:25   (  -0.01,-135.45) (  -0.38,-133.74)  193.81                80
 12/03/2015   22:42:42   (   0.03,-135.41) (  -0.77,-139.06)  415.22                80
 12/04/2015   22:26:36   (   0.02,-135.40) (   0.22,-134.52)  100.64                80
 12/06/2015   10:45:43   (  -0.04,-135.42) (   0.96,-139.79)  499.53                80
 12/07/2015   10:26:58   (  -0.03,-135.40) (  -0.03,-135.26)   15.99                80
 12/09/2015   22:30:09   (   0.03,-135.34) (  -0.11,-136.04)   79.79                80
 12/10/2015   22:14:03   (   0.02,-135.32) (   0.88,-131.51)  435.09                80