Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2012   22:38:08   (   0.09,-135.45) (  -0.73,-138.97)  402.60                80
 12/27/2012   22:22:03   (   0.08,-135.44) (   0.31,-134.44)  113.73                80
 12/29/2012   10:41:11   (  -0.09,-135.45) (   0.87,-139.71)  485.41                80
 12/30/2012   10:25:06   (  -0.08,-135.44) (  -0.17,-135.18)   30.39                80
 01/01/2013   22:25:37   (   0.09,-135.39) (  -0.01,-135.95)   63.29                80
 01/02/2013   22:09:32   (   0.08,-135.38) (   0.97,-131.41)  452.20                80
 01/04/2013   10:28:39   (  -0.09,-135.38) (   0.21,-136.68)  147.93                80
 01/05/2013   10:12:34   (  -0.09,-135.36) (  -0.83,-132.15)  366.80                80
 01/06/2013   22:31:50   (   0.09,-135.30) (  -0.39,-137.44)  244.16                80
 01/07/2013   22:15:44   (   0.09,-135.28) (   0.59,-132.90)  270.30                80
 01/09/2013   10:34:51   (  -0.09,-135.27) (   0.59,-138.17)  330.78                80