Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2013   22:33:33   (   0.15,-135.06) (  -0.43,-137.51)  279.76                80
 07/02/2013   22:17:28   (   0.14,-135.10) (   0.61,-132.98)  240.80                80
 07/04/2013   10:36:37   (  -0.16,-135.15) (   0.52,-138.26)  354.38                80
 07/05/2013   10:20:31   (  -0.16,-135.17) (  -0.46,-133.72)  165.60                80
 07/06/2013   22:39:48   (   0.18,-135.21) (  -0.69,-139.02)  434.61                80
 07/07/2013   22:23:43   (   0.17,-135.24) (   0.36,-134.49)   85.27                80
 07/10/2013   10:26:46   (  -0.18,-135.31) (  -0.20,-135.23)    8.90                80
 07/12/2013   22:27:17   (   0.19,-135.35) (   0.05,-135.99)   73.07                80
 07/13/2013   22:11:11   (   0.18,-135.37) (   1.04,-131.45)  446.08                80