Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 5 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)
 05/04/2012   10:23:29   (   0.03,-135.23) (   0.03,-135.28)    5.46                80
 05/06/2012   22:26:40   (  -0.01,-135.28) (  -0.16,-136.06)   88.55                80
 05/07/2012   22:10:35   (  -0.02,-135.30) (   0.85,-131.53)  429.92                80
 05/09/2012   10:29:41   (   0.00,-135.32) (   0.34,-136.79)  168.62                80
 05/10/2012   10:13:36   (   0.01,-135.33) (  -0.67,-132.26)  349.57                80
 05/11/2012   22:32:51   (   0.01,-135.35) (  -0.51,-137.56)  253.11                80
 05/12/2012   22:16:45   (  -0.00,-135.36) (   0.50,-133.03)  265.09                80
 05/14/2012   10:35:53   (  -0.01,-135.38) (   0.63,-138.31)  333.70                80
 05/15/2012   10:19:47   (  -0.01,-135.39) (  -0.38,-133.77)  184.22                80
 05/16/2012   22:39:02   (   0.03,-135.40) (  -0.80,-139.08)  419.25                80