Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 5 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)
 05/27/2012   22:32:37   (   0.06,-135.42) (  -0.43,-137.54)  241.75                80
 05/28/2012   22:16:32   (   0.05,-135.41) (   0.58,-133.00)  274.24                80
 05/30/2012   10:35:38   (  -0.07,-135.38) (   0.58,-138.27)  329.63                80
 05/31/2012   10:19:33   (  -0.06,-135.36) (  -0.44,-133.74)  185.67                80
 06/01/2012   22:38:48   (   0.09,-135.35) (  -0.74,-139.04)  420.86                80
 06/02/2012   22:22:42   (   0.08,-135.33) (   0.27,-134.51)   94.01                80
 06/05/2012   10:25:43   (  -0.10,-135.26) (  -0.11,-135.24)    3.32                80
 06/07/2012   22:26:13   (   0.11,-135.21) (  -0.05,-136.01)   90.41                80
 06/08/2012   22:10:07   (   0.09,-135.19) (   0.90,-131.46)  424.00                80