Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/24/2014   10:14:56   (  -0.12,-135.25) (  -0.80,-132.25)  341.65                80
 01/25/2014   22:36:54   (   0.12,-135.27) (  -0.42,-137.55)  260.05                80
 01/26/2014   22:20:52   (   0.11,-135.29) (   0.64,-133.03)  257.92                80
 01/28/2014   10:42:41   (  -0.11,-135.30) (   0.56,-138.29)  340.63                80
 01/29/2014   10:21:18   (  -0.11,-135.31) (  -0.44,-133.76)  176.71                80
 01/30/2014   22:43:17   (   0.11,-135.33) (  -0.71,-139.07)  426.51                80
 01/31/2014   22:27:13   (   0.11,-135.33) (   0.30,-134.54)   90.78                80
 02/03/2014   10:27:39   (  -0.11,-135.35) (  -0.11,-135.27)    8.97                80
 02/05/2014   22:30:55   (   0.11,-135.36) (  -0.03,-136.05)   78.47                80