Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 3 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)
 03/27/2012   10:36:16   (   0.06,-134.99) (   0.77,-138.30)  376.01                80
 03/28/2012   10:20:11   (   0.06,-134.96) (  -0.21,-133.76)  136.74                80
 03/29/2012   22:39:26   (  -0.06,-134.94) (  -0.99,-139.06)  470.56                80
 03/30/2012   22:23:21   (  -0.06,-134.90) (   0.05,-134.54)   42.09                80
 04/02/2012   10:23:43   (   0.06,-134.77) (   0.16,-135.27)   56.27                80
 04/03/2012   10:07:38   (   0.07,-134.73) (  -0.82,-130.73)  455.71                80
 04/04/2012   22:26:53   (  -0.06,-134.69) (  -0.37,-136.03)  152.99                80
 04/05/2012   22:10:48   (  -0.06,-134.65) (   0.62,-131.50)  358.72                80
 04/07/2012   10:29:55   (   0.05,-134.55) (   0.56,-136.77)  252.95                80
 04/08/2012   10:13:49   (   0.06,-134.50) (  -0.43,-132.23)  258.08                80