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,-134.84) (  -0.49,-137.54)  307.71                80
 01/10/2014   22:20:31   (   0.12,-134.89) (   0.53,-133.01)  213.55                80
 01/12/2014   10:39:41   (  -0.12,-134.94) (   0.65,-138.28)  380.79                80
 01/13/2014   10:23:37   (  -0.12,-134.98) (  -0.38,-133.75)  140.10                80
 01/14/2014   22:42:56   (   0.12,-135.04) (  -0.79,-139.05)  457.31                80
 01/15/2014   22:26:52   (   0.12,-135.08) (   0.24,-134.53)   63.34                80
 01/18/2014   10:29:58   (  -0.12,-135.17) (  -0.11,-135.27)   11.45                80
 01/20/2014   22:30:32   (   0.12,-135.25) (  -0.07,-136.04)   89.56                80
 01/21/2014   22:14:28   (   0.12,-135.28) (   0.97,-131.51)  430.37                80