Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2013   22:42:36   (   0.12,-134.68) (  -0.86,-139.04)  497.11                80
 12/30/2013   22:26:32   (   0.11,-134.63) (   0.14,-134.51)   14.02                80
 01/02/2014   10:26:58   (  -0.11,-134.53) (   0.05,-135.24)   81.62                80
 01/03/2014   10:10:55   (  -0.10,-134.47) (  -0.95,-130.71)  429.07                80
 01/04/2014   22:30:13   (   0.12,-134.36) (  -0.23,-136.01)  187.64                80
 01/05/2014   22:14:10   (   0.11,-134.31) (   0.78,-131.48)  322.82                80
 01/07/2014   10:33:19   (  -0.12,-134.25) (   0.42,-136.75)  284.46                80
 01/08/2014   10:17:14   (  -0.12,-134.19) (  -0.54,-132.20)  225.92                80
 01/09/2014   22:36:33   (   0.13,-134.08) (  -0.65,-137.51)  391.12                80
 01/10/2014   22:20:29   (   0.12,-134.02) (   0.36,-132.98)  118.84                80