Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 8 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/30/2012   10:09:52   (   0.40,-134.18) (  -0.06,-132.03)  245.07                80
 08/31/2012   22:31:48   (  -0.39,-134.09) (  -1.12,-137.34)  370.49                80
 09/01/2012   22:15:43   (  -0.40,-134.04) (  -0.15,-132.80)  140.69                80
 09/03/2012   10:37:31   (   0.38,-133.98) (   1.27,-138.08)  466.10                80
 09/04/2012   10:16:06   (   0.39,-133.92) (   0.30,-133.54)   44.20                80
 09/06/2012   22:19:17   (  -0.38,-133.75) (  -0.51,-134.30)   63.14                80
 09/07/2012   22:03:12   (  -0.38,-133.69) (   0.51,-129.78)  447.08                80
 09/09/2012   10:22:19   (   0.37,-133.63) (   0.67,-135.04)  160.87                80
 09/10/2012   10:03:34   (   0.37,-133.57) (  -0.29,-130.50)  348.47                80
 09/11/2012   22:25:30   (  -0.35,-133.43) (  -0.90,-135.81)  271.43                80