Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2016   10:37:32   (   0.19,-134.91) (   0.91,-138.18)  373.03                80
 10/17/2016   10:21:27   (   0.20,-134.87) (  -0.04,-133.64)  139.06                80
 10/18/2016   22:40:44   (  -0.18,-134.78) (  -1.13,-138.95)  476.57                80
 10/19/2016   22:24:39   (  -0.19,-134.74) (  -0.12,-134.43)   35.40                80
 10/22/2016   10:25:02   (   0.17,-134.65) (   0.31,-135.16)   58.79                80
 10/23/2016   10:08:58   (   0.18,-134.61) (  -0.70,-130.63)  452.46                80
 10/24/2016   22:28:15   (  -0.16,-134.50) (  -0.46,-135.95)  164.54                80
 10/25/2016   22:12:10   (  -0.17,-134.46) (   0.49,-131.41)  346.99                80
 10/27/2016   10:31:18   (   0.14,-134.42) (   0.65,-136.69)  258.63                80
 10/28/2016   10:15:14   (   0.15,-134.37) (  -0.36,-132.16)  252.34                80
 10/29/2016   22:34:30   (  -0.13,-134.25) (  -0.85,-137.46)  366.06                80