Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2016 1 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2016   22:35:40   (   0.08,-135.22) (  -0.42,-137.51)  260.02                80
 02/01/2016   22:19:35   (   0.07,-135.24) (   0.60,-132.98)  258.41                80
 02/03/2016   10:41:20   (  -0.07,-135.30) (   0.61,-138.23)  334.96                80
 02/04/2016   10:19:55   (  -0.07,-135.31) (  -0.42,-133.70)  182.97                80
 02/05/2016   22:44:30   (   0.06,-135.28) (  -0.74,-139.01)  424.37                80
 02/06/2016   22:25:44   (   0.06,-135.29) (   0.23,-134.47)   93.14                80
 02/09/2016   10:26:04   (  -0.06,-135.34) (  -0.11,-135.21)   15.94                80
 02/11/2016   22:31:53   (   0.05,-135.30) (  -0.07,-135.97)   76.19                80
 02/12/2016   22:10:27   (   0.05,-135.30) (   0.91,-131.43)  440.45                80
 02/14/2016   10:34:53   (  -0.05,-135.34) (   0.23,-136.70)  155.42                80