Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 8 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/06/2016   22:12:18   (   0.25,-134.66) (   0.96,-131.44)  367.16                80
 08/08/2016   10:31:25   (  -0.27,-134.58) (   0.20,-136.71)  242.65                80
 08/09/2016   10:15:20   (  -0.26,-134.53) (  -0.79,-132.17)  268.78                80
 08/10/2016   22:34:35   (   0.28,-134.46) (  -0.40,-137.47)  343.04                80
 08/11/2016   22:18:30   (   0.27,-134.41) (   0.59,-132.93)  167.99                80
 08/13/2016   10:37:37   (  -0.29,-134.31) (   0.57,-138.20)  442.99                80
 08/14/2016   10:21:32   (  -0.29,-134.26) (  -0.43,-133.67)   67.54                80
 08/16/2016   22:22:01   (   0.30,-134.12) (   0.25,-134.43)   35.42                80
 08/17/2016   22:05:56   (   0.29,-134.06) (   1.25,-129.90)  474.69                80
 08/19/2016   10:25:02   (  -0.31,-133.95) (  -0.02,-135.15)  137.59                80