Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2012   10:13:57   (  -0.02,-135.34) (  -0.70,-132.20)  357.85                80
 02/21/2012   22:35:55   (   0.02,-135.37) (  -0.46,-137.51)  244.47                80
 02/22/2012   22:17:10   (   0.02,-135.39) (   0.54,-132.98)  273.35                80
 02/24/2012   10:36:19   (  -0.02,-135.41) (   0.59,-138.27)  325.56                80
 02/25/2012   10:20:15   (  -0.02,-135.42) (  -0.41,-133.74)  191.94                80
 02/26/2012   22:39:31   (   0.02,-135.44) (  -0.81,-139.04)  411.32                80
 02/27/2012   22:23:28   (   0.02,-135.45) (   0.25,-134.53)  105.72                80
 02/29/2012   10:42:36   (  -0.03,-135.46) (   0.95,-139.80)  494.65                80
 03/01/2012   10:26:32   (  -0.03,-135.47) (  -0.05,-135.27)   22.05                80
 03/03/2012   22:27:04   (   0.04,-135.47) (  -0.11,-136.05)   66.75                80
 03/04/2012   22:11:01   (   0.04,-135.47) (   0.94,-131.54)  449.27                80