Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 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)
 10/30/2016   22:18:27   (  -0.14,-134.70) (   0.27,-132.95)  199.72                80
 11/01/2016   10:37:35   (   0.11,-134.81) (   0.87,-138.24)  389.62                80
 11/02/2016   10:21:31   (   0.13,-134.85) (  -0.15,-133.71)  131.02                80
 11/03/2016   22:40:48   (  -0.10,-134.86) (  -1.01,-139.02)  474.18                80
 11/04/2016   22:24:43   (  -0.11,-134.89) (  -0.05,-134.48)   46.21                80
 11/07/2016   10:25:07   (   0.10,-135.02) (   0.17,-135.24)   24.69                80
 11/08/2016   10:09:02   (   0.11,-135.05) (  -0.85,-130.71)  495.02                80
 11/09/2016   22:28:19   (  -0.08,-135.04) (  -0.30,-136.02)  111.63                80
 11/10/2016   22:12:15   (  -0.10,-135.07) (   0.73,-131.50)  407.78                80
 11/12/2016   10:31:23   (   0.07,-135.16) (   0.41,-136.78)  184.01                80
 11/13/2016   10:15:18   (   0.08,-135.18) (  -0.55,-132.24)  334.90                80