Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 11 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2015   10:27:05   (   0.10,-135.17) (   0.12,-135.16)    3.02                80
 11/07/2015   22:30:16   (  -0.08,-135.23) (  -0.23,-135.95)   81.72                80
 11/08/2015   22:14:10   (  -0.10,-135.26) (   0.79,-131.42)  438.25                80
 11/10/2015   10:33:16   (   0.07,-135.31) (   0.38,-136.69)  156.62                80
 11/11/2015   10:17:11   (   0.09,-135.34) (  -0.63,-132.16)  362.62                80
 11/12/2015   22:36:26   (  -0.06,-135.35) (  -0.53,-137.46)  241.49                80
 11/13/2015   22:20:21   (  -0.07,-135.37) (   0.49,-132.93)  277.56                80
 11/15/2015   10:39:27   (   0.05,-135.41) (   0.68,-138.20)  318.24                80
 11/16/2015   10:23:22   (   0.06,-135.43) (  -0.34,-133.67)  199.99                80