Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2012   22:35:54   (  -0.00,-135.37) (  -0.46,-137.51)  243.37                80
 02/22/2012   22:14:30   (  -0.00,-135.39) (   0.55,-132.99)  274.50                80
 02/24/2012   10:38:58   (   0.00,-135.41) (   0.63,-138.26)  324.61                80
 02/25/2012   10:17:34   (   0.00,-135.43) (  -0.38,-133.73)  193.00                80
 02/26/2012   22:42:10   (  -0.00,-135.45) (  -0.82,-139.04)  409.48                80
 02/27/2012   22:20:46   (  -0.00,-135.46) (   0.20,-134.51)  107.70                80
 02/29/2012   10:45:14   (   0.00,-135.47) (   0.98,-139.79)  492.69                80
 03/01/2012   10:26:29   (   0.01,-135.47) (  -0.03,-135.26)   24.07                80
 03/03/2012   22:29:41   (  -0.00,-135.48) (  -0.13,-136.04)   63.35                80
 03/04/2012   22:08:17   (  -0.00,-135.48) (   0.88,-131.51)  452.84                80
 03/06/2012   10:30:05   (   0.00,-135.48) (   0.29,-136.79)  149.03                80