Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 1 29.  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)
 01/30/2014   05:20:33   ( -70.29, -83.26) 01/30/2014   05:19:22  ( -70.30, -83.28)    1.86                71
 01/30/2014   06:10:00   (  70.20,  84.26) 01/30/2014   06:10:06  (  70.17,  84.23)    3.37                 6
 01/30/2014   06:59:33   ( -69.91,-108.52) 01/30/2014   07:00:45  ( -69.94,-108.09)   16.98                72
 02/01/2014   21:37:01   ( -70.24,  32.55) 02/01/2014   21:36:20  ( -70.26,  32.56)    1.97                41
 02/01/2014   22:26:28   (  70.15,-159.94) 02/01/2014   22:27:04  (  70.13,-159.93)    2.24                36
 02/04/2014   13:03:54   (  70.57, -18.73) 02/04/2014   13:02:42  (  70.62, -19.57)   31.70                72
 02/04/2014   13:53:28   ( -70.22, 148.40) 02/04/2014   13:53:18  ( -70.22, 148.39)    0.49                10
 02/04/2014   14:42:56   (  70.07, -44.16) 02/04/2014   14:44:02  (  70.10, -44.11)    3.32                66
 02/07/2014   05:20:24   (  70.30,  96.76) 02/07/2014   05:19:33  (  70.28,  96.75)    2.16                51
 02/07/2014   06:09:54   ( -70.17, -95.78) 02/07/2014   06:10:15  ( -70.19, -95.79)    1.57                21
 02/07/2014   06:59:37   (  69.19,  70.53) 02/07/2014   07:00:42  (  69.17,  73.03)   99.04                65
 02/09/2014   20:47:09   ( -71.13,  46.27) 02/09/2014   20:46:02  ( -71.15,  43.78)   89.68                67
 02/09/2014   21:36:50   (  70.27,-147.38) 02/09/2014   21:36:31  (  70.26,-147.44)    2.97                19
 02/09/2014   22:26:20   ( -70.15,  20.08) 02/09/2014   22:27:13  ( -70.16,  20.03)    2.12                53
 02/12/2014   13:03:49   ( -70.32, 160.93) 02/12/2014   13:02:44  ( -70.30, 160.96)    3.18                65
 02/12/2014   13:53:16   (  70.22, -31.57) 02/12/2014   13:53:29  (  70.24, -31.64)    3.45                13
 02/12/2014   14:42:53   ( -69.72, 135.36) 02/12/2014   14:44:03  ( -69.72, 136.47)   42.69                70