Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 11 25.  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   ( -71.10,  46.30) 11/27/2015   20:45:17  ( -71.12,  44.10)   79.01                68
 11/27/2015   21:36:05   (  70.29,-147.28) 11/27/2015   21:35:47  (  70.29,-147.24)    1.83                18
 11/27/2015   22:25:35   ( -70.17,  20.19) 11/27/2015   22:26:29  ( -70.18,  20.24)    2.34                54
 11/30/2015   13:03:07   ( -70.38, 161.09) 11/30/2015   13:01:57  ( -70.38, 161.08)    0.92                70
 11/30/2015   13:52:34   (  70.28, -31.42) 11/30/2015   13:52:41  (  70.28, -31.46)    1.46                 7
 11/30/2015   14:42:07   ( -70.00, 135.82) 11/30/2015   14:43:19  ( -69.96, 136.35)   20.47                72
 12/03/2015   05:19:35   ( -70.36, -83.06) 12/03/2015   05:18:50  ( -70.37, -83.14)    3.06                45
 12/03/2015   06:09:03   (  70.20,  84.35) 12/03/2015   06:09:33  (  70.22,  84.40)    2.89                30
 12/05/2015   20:46:22   (  71.09,-133.70) 12/05/2015   20:45:15  (  71.16,-135.98)   82.36                67
 12/05/2015   21:36:04   ( -70.33,  32.78) 12/05/2015   21:35:43  ( -70.31,  32.72)    3.15                21
 12/05/2015   22:25:32   (  70.16,-159.82) 12/05/2015   22:26:26  (  70.17,-159.75)    2.58                54
 12/08/2015   13:03:03   (  70.39, -18.89) 12/08/2015   13:01:54  (  70.37, -18.92)    2.09                69
 12/08/2015   13:52:33   ( -70.28, 148.60) 12/08/2015   13:52:36  ( -70.26, 148.57)    3.01                 3
 12/08/2015   14:42:04   (  69.95, -44.24) 12/08/2015   14:43:15  (  69.90, -43.58)   25.53                71