Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/28/2014   22:33:56   (   0.00,-135.06) (  -0.22,-136.10)  117.89                80
 05/29/2014   22:17:53   (  -0.00,-135.09) (   0.78,-131.56)  402.25                80
 05/31/2014   10:37:03   (  -0.01,-135.15) (   0.34,-136.84)  192.18                80
 06/01/2014   10:20:59   (  -0.00,-135.18) (  -0.66,-132.31)  327.77                80
 06/02/2014   22:40:18   (   0.01,-135.22) (  -0.53,-137.61)  272.38                80
 06/03/2014   22:24:14   (   0.00,-135.25) (   0.48,-133.07)  247.33                80
 06/05/2014   10:43:24   (  -0.02,-135.29) (   0.65,-138.35)  347.88                80
 06/06/2014   10:27:21   (  -0.01,-135.32) (  -0.37,-133.82)  171.51                80
 06/07/2014   22:46:39   (   0.02,-135.35) (  -0.83,-139.12)  429.69                80
 06/08/2014   22:30:36   (   0.02,-135.37) (   0.19,-134.59)   89.23                80
 06/11/2014   10:31:02   (  -0.03,-135.42) (  -0.02,-135.32)   11.31                80