Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2013   10:44:06   (   0.30,-135.43) (   1.26,-139.75)  491.81                80
 09/28/2013   10:28:01   (   0.31,-135.42) (   0.29,-135.21)   23.15                80
 09/30/2013   22:28:35   (  -0.29,-135.32) (  -0.47,-135.98)   76.34                80
 10/01/2013   22:12:32   (  -0.30,-135.30) (   0.57,-131.45)  438.52                80
 10/03/2013   10:31:41   (   0.27,-135.33) (   0.57,-136.73)  159.68                80
 10/04/2013   10:15:36   (   0.29,-135.30) (  -0.41,-132.19)  354.51                80
 10/05/2013   22:34:54   (  -0.26,-135.20) (  -0.80,-137.49)  261.25                80
 10/06/2013   22:18:50   (  -0.27,-135.18) (   0.24,-132.97)  252.72                80
 10/08/2013   10:37:59   (   0.24,-135.19) (   0.95,-138.23)  346.53                80
 10/09/2013   10:21:55   (   0.26,-135.16) (  -0.09,-133.70)  166.57                80
 10/10/2013   22:41:12   (  -0.22,-135.04) (  -1.11,-139.00)  451.45                80