Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/14/2016   10:34:53   (  -0.06,-135.35) (   0.22,-136.70)  153.27                80
 02/15/2016   10:13:27   (  -0.05,-135.35) (  -0.75,-132.16)  363.19                80
 02/16/2016   22:38:01   (   0.05,-135.30) (  -0.46,-137.46)  246.44                80
 02/17/2016   22:16:36   (   0.05,-135.29) (   0.57,-132.93)  269.73                80
 02/19/2016   10:41:01   (  -0.04,-135.33) (   0.62,-138.19)  326.36                80
 02/20/2016   10:19:36   (  -0.04,-135.32) (  -0.42,-133.66)  189.64                80
 02/21/2016   22:44:10   (   0.03,-135.26) (  -0.79,-138.95)  420.46                80
 02/22/2016   22:22:43   (   0.03,-135.25) (   0.19,-134.41)   95.31                80
 02/25/2016   10:28:23   (  -0.03,-135.27) (  -0.04,-135.14)   14.05                80
 02/27/2016   22:31:32   (   0.03,-135.19) (  -0.12,-135.91)   81.71                80