Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 11 11.  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)
 11/11/2015   20:46:27   ( -70.80,  45.85) 11/11/2015   20:45:16  ( -70.85,  44.60)   46.13                71
 11/11/2015   21:36:01   (  70.32,-147.22) 11/11/2015   21:35:52  (  70.32,-147.25)    1.18                 9
 11/11/2015   22:25:31   ( -70.21,  20.24) 11/11/2015   22:26:34  ( -70.23,  20.22)    2.47                63
 11/14/2015   13:03:03   ( -70.38, 161.10) 11/14/2015   13:02:02  ( -70.39, 161.10)    0.78                61
 11/14/2015   13:52:30   (  70.28, -31.40) 11/14/2015   13:52:46  (  70.28, -31.43)    1.25                16
 11/14/2015   14:42:09   ( -69.67, 135.38) 11/14/2015   14:43:18  ( -69.66, 136.84)   56.43                69
 11/17/2015   05:19:32   ( -70.32, -83.09) 11/17/2015   05:18:56  ( -70.35, -83.07)    2.79                36
 11/17/2015   06:08:59   (  70.22,  84.40) 11/17/2015   06:09:40  (  70.25,  84.39)    3.46                41
 11/19/2015   20:46:24   (  70.69,-134.30) 11/19/2015   20:45:13  (  70.74,-135.25)   35.49                71
 11/19/2015   21:35:59   ( -70.31,  32.77) 11/19/2015   21:35:49  ( -70.31,  32.75)    1.13                10
 11/19/2015   22:25:26   (  70.20,-159.74) 11/19/2015   22:26:33  (  70.22,-159.80)    3.11                67
 11/22/2015   13:02:57   (  70.38, -18.87) 11/22/2015   13:02:01  (  70.40, -18.94)    3.11                56
 11/22/2015   13:52:27   ( -70.27, 148.61) 11/22/2015   13:52:43  ( -70.28, 148.56)    2.17                16
 11/22/2015   14:42:06   (  69.50, -44.82) 11/22/2015   14:43:14  (  69.50, -42.97)   72.35                68
 11/25/2015   05:19:25   (  70.33,  96.95) 11/25/2015   05:18:54  (  70.32,  96.95)    1.04                31
 11/25/2015   06:08:55   ( -70.23, -95.57) 11/25/2015   06:09:36  ( -70.20, -95.55)    2.56                41