Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 1 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2014   10:17:17   (  -0.12,-134.77) (  -0.71,-132.24)  288.76                80
 01/09/2014   22:36:35   (   0.13,-134.84) (  -0.47,-137.54)  307.63                80
 01/10/2014   22:20:32   (   0.12,-134.89) (   0.55,-133.01)  213.64                80
 01/12/2014   10:39:41   (  -0.12,-134.94) (   0.62,-138.28)  380.67                80
 01/13/2014   10:23:38   (  -0.12,-134.98) (  -0.40,-133.75)  140.22                80
 01/14/2014   22:42:56   (   0.12,-135.05) (  -0.77,-139.06)  457.19                80
 01/15/2014   22:26:52   (   0.12,-135.08) (   0.25,-134.53)   63.48                80
 01/18/2014   10:29:58   (  -0.12,-135.17) (  -0.12,-135.27)   11.60                80
 01/20/2014   22:30:32   (   0.12,-135.26) (  -0.06,-136.04)   89.44                80