Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2014   22:39:54   (  -0.02,-134.81) (  -0.67,-137.59)  317.43                80
 05/18/2014   22:23:52   (  -0.02,-134.77) (   0.38,-133.07)  194.38                80
 05/20/2014   10:43:01   (   0.02,-134.72) (   0.82,-138.33)  411.54                80
 05/21/2014   10:26:57   (   0.02,-134.67) (  -0.18,-133.80)   99.92                80
 05/23/2014   22:27:32   (  -0.02,-134.54) (  -0.02,-134.56)    3.10                80
 05/26/2014   10:30:38   (   0.01,-134.43) (   0.21,-135.29)   98.58                80
 05/27/2014   10:14:35   (   0.01,-134.38) (  -0.80,-130.76)  412.19                80
 05/28/2014   22:33:53   (  -0.00,-134.28) (  -0.40,-136.06)  203.34                80
 05/29/2014   22:17:49   (  -0.01,-134.22) (   0.61,-131.53)  307.29                80