Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2014   22:36:35   (   0.13,-134.83) (  -0.49,-137.54)  308.70                80
 01/10/2014   22:20:32   (   0.12,-134.87) (   0.53,-133.01)  212.46                80
 01/12/2014   10:39:41   (  -0.12,-134.93) (   0.64,-138.28)  381.54                80
 01/13/2014   10:23:37   (  -0.12,-134.97) (  -0.39,-133.75)  139.24                80
 01/14/2014   22:42:56   (   0.12,-135.03) (  -0.78,-139.06)  458.80                80
 01/15/2014   22:26:52   (   0.12,-135.07) (   0.24,-134.53)   61.75                80
 01/18/2014   10:29:58   (  -0.12,-135.15) (  -0.12,-135.27)   13.00                80
 01/20/2014   22:30:32   (   0.12,-135.23) (  -0.06,-136.04)   91.64                80
 01/21/2014   22:14:28   (   0.12,-135.26) (   0.97,-131.51)  428.16                80