Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 11 21.  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)
 11/22/2015   13:03:05   (  70.37, -18.92) 11/22/2015   13:02:00  (  70.37, -18.90)    0.83                65
 11/22/2015   13:52:35   ( -70.26, 148.54) 11/22/2015   13:52:42  ( -70.27, 148.58)    1.95                 7
 11/22/2015   14:42:09   (  69.77, -44.50) 11/22/2015   14:43:19  (  69.80, -43.40)   42.32                70
 11/25/2015   05:19:35   (  70.34,  96.91) 11/25/2015   05:18:54  (  70.36,  96.89)    2.27                41
 11/25/2015   06:09:05   ( -70.23, -95.62) 11/25/2015   06:09:36  ( -70.25, -95.62)    2.68                31
 11/27/2015   20:46:25   ( -71.10,  46.31) 11/27/2015   20:45:17  ( -71.12,  44.11)   79.24                68
 11/27/2015   21:36:05   (  70.29,-147.28) 11/27/2015   21:35:47  (  70.29,-147.24)    1.48                18
 11/27/2015   22:25:35   ( -70.18,  20.20) 11/27/2015   22:26:29  ( -70.18,  20.25)    1.86                54
 11/30/2015   13:03:07   ( -70.39, 161.11) 11/30/2015   13:01:57  ( -70.38, 161.08)    2.16                70
 11/30/2015   13:52:34   (  70.29, -31.41) 11/30/2015   13:52:41  (  70.29, -31.46)    2.17                 7
 11/30/2015   14:42:08   ( -69.96, 135.76) 11/30/2015   14:43:19  ( -69.96, 136.35)   22.29                71
 12/03/2015   05:19:36   ( -70.32, -83.11) 12/03/2015   05:18:49  ( -70.32, -83.06)    2.13                47
 12/03/2015   06:09:03   (  70.21,  84.37) 12/03/2015   06:09:33  (  70.23,  84.39)    2.09                30