Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 10 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)
 10/27/2012   10:24:59   (   0.12,-135.21) (   0.11,-135.14)    7.86                80
 10/29/2012   22:25:32   (  -0.11,-135.11) (  -0.29,-135.92)   92.04                80
 10/30/2012   22:09:28   (  -0.13,-135.09) (   0.70,-131.39)  421.80                80
 11/01/2012   10:28:37   (   0.10,-135.09) (   0.44,-136.67)  179.97                80
 11/02/2012   10:12:32   (   0.11,-135.06) (  -0.55,-132.13)  333.24                80
 11/03/2012   22:31:50   (  -0.08,-134.96) (  -0.61,-137.45)  282.40                80
 11/04/2012   22:15:45   (  -0.09,-134.93) (   0.39,-132.91)  230.67                80
 11/06/2012   10:34:53   (   0.06,-134.92) (   0.81,-138.18)  371.86                80
 11/07/2012   10:18:49   (   0.07,-134.89) (  -0.18,-133.65)  140.70                80
 11/08/2012   22:38:06   (  -0.04,-134.78) (  -0.97,-138.96)  476.21                80