Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 11 27.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/27/2015   20:46:25   ( -71.06,  46.24) 11/27/2015   20:45:17  ( -71.15,  44.05)   79.73                68
 11/27/2015   21:36:04   (  70.31,-147.25) 11/27/2015   21:35:47  (  70.32,-147.29)    1.63                17
 11/27/2015   22:25:34   ( -70.20,  20.22) 11/27/2015   22:26:29  ( -70.22,  20.19)    2.47                55
 11/30/2015   13:03:07   ( -70.35, 161.05) 11/30/2015   13:01:56  ( -70.36, 161.12)    2.52                71
 11/30/2015   13:52:34   (  70.25, -31.46) 11/30/2015   13:52:40  (  70.26, -31.42)    1.39                 6
 11/30/2015   14:42:07   ( -69.98, 135.78) 11/30/2015   14:43:19  ( -69.99, 136.30)   19.69                72
 12/03/2015   05:19:36   ( -70.34, -83.09) 12/03/2015   05:18:50  ( -70.35, -83.10)    0.73                46
 12/03/2015   06:09:03   (  70.24,  84.40) 12/03/2015   06:09:34  (  70.25,  84.35)    2.47                31
 12/05/2015   20:46:23   (  71.08,-133.72) 12/05/2015   20:45:15  (  71.13,-135.94)   80.04                68
 12/05/2015   21:36:05   ( -70.32,  32.76) 12/05/2015   21:35:43  ( -70.29,  32.75)    3.14                22
 12/05/2015   22:25:32   (  70.21,-159.76) 12/05/2015   22:26:27  (  70.19,-159.79)    1.87                55
 12/08/2015   13:03:03   (  70.38, -18.90) 12/08/2015   13:01:54  (  70.40, -18.97)    3.08                69
 12/08/2015   13:52:33   ( -70.28, 148.58) 12/08/2015   13:52:36  ( -70.28, 148.53)    2.29                 3
 12/08/2015   14:42:04   (  69.95, -44.24) 12/08/2015   14:43:15  (  69.93, -43.62)   23.88                71