Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2014   22:31:11   (   0.08,-135.24) (  -0.07,-136.03)   89.30                80
 02/22/2014   22:15:06   (   0.08,-135.21) (   0.90,-131.48)  424.79                80
 02/24/2014   10:36:55   (  -0.07,-135.17) (   0.32,-136.74)  180.15                80
 02/25/2014   10:15:31   (  -0.07,-135.14) (  -0.72,-132.21)  333.19                80
 02/26/2014   22:37:29   (   0.06,-135.10) (  -0.50,-137.51)  275.12                80
 02/27/2014   22:21:25   (   0.06,-135.07) (   0.54,-132.98)  238.25                80
 03/01/2014   10:43:13   (  -0.05,-135.02) (   0.68,-138.23)  366.97                80
 03/02/2014   10:21:50   (  -0.05,-134.98) (  -0.36,-133.71)  145.85                80
 03/03/2014   22:43:47   (   0.05,-134.93) (  -0.84,-139.00)  463.61                80
 03/04/2014   22:27:43   (   0.05,-134.90) (   0.13,-134.46)   49.30                80