Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 11 9.  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)
 11/09/2015   06:09:03   ( -70.22, -95.62) 11/09/2015   06:09:40  ( -70.23, -95.55)    2.66                37
 11/11/2015   20:46:27   ( -70.80,  45.84) 11/11/2015   20:45:16  ( -70.86,  44.58)   46.64                71
 11/11/2015   21:36:01   (  70.31,-147.23) 11/11/2015   21:35:52  (  70.34,-147.27)    2.79                 9
 11/11/2015   22:25:31   ( -70.20,  20.24) 11/11/2015   22:26:33  ( -70.18,  20.28)    2.62                62
 11/14/2015   13:03:03   ( -70.38, 161.11) 11/14/2015   13:02:02  ( -70.40, 161.09)    1.68                61
 11/14/2015   13:52:30   (  70.28, -31.40) 11/14/2015   13:52:46  (  70.30, -31.45)    2.72                16
 11/14/2015   14:42:09   ( -69.67, 135.38) 11/14/2015   14:43:18  ( -69.66, 136.82)   55.73                69
 11/17/2015   05:19:32   ( -70.34, -83.07) 11/17/2015   05:18:56  ( -70.36, -83.09)    2.24                36
 11/17/2015   06:08:59   (  70.23,  84.41) 11/17/2015   06:09:39  (  70.21,  84.45)    2.70                40
 11/19/2015   20:46:25   (  70.71,-134.26) 11/19/2015   20:45:14  (  70.75,-135.27)   37.22                71
 11/19/2015   21:36:00   ( -70.33,  32.81) 11/19/2015   21:35:50  ( -70.32,  32.73)    3.12                10
 11/19/2015   22:25:28   (  70.17,-159.79) 11/19/2015   22:26:33  (  70.18,-159.73)    2.25                65
 11/22/2015   13:02:58   (  70.37, -18.89) 11/22/2015   13:02:00  (  70.36, -18.87)    1.51                58
 11/22/2015   13:52:28   ( -70.26, 148.59) 11/22/2015   13:52:42  ( -70.24, 148.63)    3.08                14
 11/22/2015   14:42:06   (  69.54, -44.77) 11/22/2015   14:43:14  (  69.51, -42.98)   69.60                68