Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2018 2 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)
 02/01/2018   22:11:30   (   0.03,-135.17) (   0.87,-131.45)  424.37                80
 02/03/2018   10:33:18   (  -0.03,-135.24) (   0.28,-136.72)  167.95                80
 02/04/2018   10:11:52   (  -0.03,-135.27) (  -0.73,-132.19)  351.59                80
 02/05/2018   22:36:27   (   0.02,-135.28) (  -0.45,-137.49)  251.40                80
 02/06/2018   22:15:02   (   0.02,-135.30) (   0.56,-132.95)  267.99                80
 02/08/2018   10:39:28   (  -0.02,-135.37) (   0.64,-138.21)  324.87                80
 02/09/2018   10:18:04   (  -0.01,-135.39) (  -0.42,-133.69)  194.22                80
 02/10/2018   22:42:38   (  -0.00,-135.39) (  -0.81,-138.98)  409.58                80
 02/11/2018   22:21:13   (  -0.01,-135.40) (   0.20,-134.44)  109.14                80
 02/13/2018   10:45:40   (   0.01,-135.46) (   0.94,-139.72)  484.84                80
 02/14/2018   10:24:14   (   0.01,-135.47) (  -0.07,-135.18)   33.37                80