Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2015 5 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)
 05/02/2015   10:35:29   (   0.06,-135.44) (   0.33,-136.60)  132.49                80
 05/03/2015   10:16:45   (   0.06,-135.45) (  -0.68,-132.08)  384.22                80
 05/04/2015   22:38:41   (  -0.06,-135.42) (  -0.52,-137.39)  224.15                80
 05/05/2015   22:22:37   (  -0.06,-135.43) (   0.50,-132.86)  292.14                80
 05/07/2015   10:41:45   (   0.05,-135.46) (   0.67,-138.14)  305.73                80
 05/08/2015   10:25:40   (   0.06,-135.46) (  -0.35,-133.61)  210.04                80
 05/09/2015   22:44:57   (  -0.05,-135.41) (  -0.85,-138.92)  399.89                80
 05/10/2015   22:28:52   (  -0.06,-135.41) (   0.17,-134.39)  115.57                80
 05/12/2015   10:48:01   (   0.05,-135.43) (   0.99,-139.67)  483.34                80
 05/13/2015   10:31:56   (   0.06,-135.42) (  -0.03,-135.15)   31.94                80