Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 6 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/05/2012   10:25:41   (  -0.09,-135.29) (  -0.11,-135.23)    6.45                80
 06/07/2012   22:26:11   (   0.11,-135.23) (  -0.04,-136.00)   86.88                80
 06/08/2012   22:10:05   (   0.09,-135.21) (   0.93,-131.46)  427.76                80
 06/10/2012   10:29:11   (  -0.12,-135.17) (   0.24,-136.72)  177.39                80
 06/11/2012   10:13:06   (  -0.11,-135.14) (  -0.78,-132.19)  336.81                80
 06/12/2012   22:32:21   (   0.13,-135.11) (  -0.40,-137.50)  271.98                80
 06/13/2012   22:16:15   (   0.12,-135.08) (   0.62,-132.96)  242.05                80
 06/15/2012   10:35:22   (  -0.15,-135.03) (   0.56,-138.23)  363.86                80
 06/16/2012   10:19:16   (  -0.14,-135.00) (  -0.45,-133.69)  149.49                80
 06/17/2012   22:38:32   (   0.17,-134.95) (  -0.73,-139.00)  461.03                80
 06/18/2012   22:22:26   (   0.16,-134.92) (   0.29,-134.46)   52.13                80