Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 10 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/27/2016   10:31:18   (   0.14,-134.59) (   0.63,-136.69)  239.45                80
 10/28/2016   10:15:14   (   0.15,-134.64) (  -0.39,-132.16)  282.01                80
 10/29/2016   22:34:31   (  -0.12,-134.66) (  -0.77,-137.48)  321.44                80
 10/30/2016   22:18:27   (  -0.14,-134.71) (   0.24,-132.95)  199.86                80
 11/01/2016   10:37:35   (   0.11,-134.82) (   0.90,-138.23)  389.41                80
 11/02/2016   10:21:31   (   0.13,-134.86) (  -0.12,-133.70)  131.29                80
 11/03/2016   22:40:48   (  -0.10,-134.86) (  -1.04,-139.02)  473.72                80
 11/04/2016   22:24:43   (  -0.11,-134.90) (  -0.02,-134.49)   46.63                80
 11/07/2016   10:25:07   (   0.10,-135.03) (   0.14,-135.24)   23.91                80
 11/08/2016   10:09:03   (   0.11,-135.06) (  -0.88,-130.72)  495.78                80
 11/09/2016   22:28:19   (  -0.08,-135.05) (  -0.33,-136.02)  110.75                80