Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2018 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/30/2018   22:28:03   (  -0.17,-135.17) (  -0.35,-135.96)   89.89                80
 10/31/2018   22:11:59   (  -0.18,-135.14) (   0.67,-131.43)  422.89                80
 11/02/2018   10:31:07   (   0.15,-135.13) (   0.49,-136.71)  179.31                80
 11/03/2018   10:15:02   (   0.17,-135.09) (  -0.47,-132.17)  332.83                80
 11/04/2018   22:34:19   (  -0.14,-134.98) (  -0.68,-137.49)  285.39                80
 11/05/2018   22:18:14   (  -0.15,-134.94) (   0.28,-132.94)  227.15                80
 11/07/2018   10:37:22   (   0.13,-134.94) (   0.87,-138.22)  374.42                80
 11/08/2018   10:21:17   (   0.14,-134.90) (  -0.15,-133.70)  137.31                80
 11/09/2018   22:40:34   (  -0.11,-134.76) (  -1.05,-139.00)  482.85                80
 11/10/2018   22:24:28   (  -0.13,-134.72) (  -0.09,-134.46)   29.03                80