Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 10 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2012   22:15:36   (  -0.18,-135.31) (   0.38,-132.87)  278.34                80
 10/21/2012   10:34:46   (   0.14,-135.33) (   0.76,-138.15)  321.24                80
 10/22/2012   10:18:41   (   0.16,-135.32) (  -0.23,-133.62)  193.41                80
 10/23/2012   22:37:59   (  -0.12,-135.25) (  -0.95,-138.93)  419.97                80
 10/24/2012   22:21:54   (  -0.14,-135.23) (   0.05,-134.40)   94.80                80
 10/27/2012   10:24:59   (   0.12,-135.23) (   0.09,-135.15)   10.00                80
 10/29/2012   22:25:31   (  -0.11,-135.13) (  -0.30,-135.92)   89.97                80
 10/30/2012   22:09:26   (  -0.13,-135.11) (   0.71,-131.39)  424.17                80
 11/01/2012   10:28:35   (   0.10,-135.11) (   0.47,-136.66)  176.49                80