Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2011 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2011   08:28:46   (   0.07,-109.07) (  -0.55,-106.25)  321.43                80
 11/12/2011   20:51:52   (  -0.05,-110.53) (  -0.22,-111.24)   81.13                80
 11/15/2011   08:49:42   (   0.05,-112.30) (  -0.17,-111.42)  100.89                80
 11/16/2011   21:12:46   (  -0.02,-113.75) (  -0.64,-116.40)  302.47                80
 11/17/2011   20:50:21   (  -0.04,-114.54) (   0.61,-111.66)  329.27                80
 11/19/2011   09:13:16   (   0.02,-115.53) (   0.25,-116.58)  120.23                80
 11/21/2011   21:11:16   (  -0.02,-117.76) (   0.20,-116.82)  107.10                80
 11/23/2011   09:34:10   (   0.00,-118.74) (   0.67,-121.75)  342.21                80
 11/24/2011   09:11:44   (   0.02,-119.52) (  -0.54,-116.99)  288.34                80