Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 4 17.  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)
 04/20/2014   02:50:44   (  71.04, 134.94) 04/20/2014   02:49:35  (  71.08, 133.38)   56.21                69
 04/20/2014   03:40:22   ( -70.49, -58.26) 04/20/2014   03:40:07  ( -70.48, -58.30)    2.12                15
 04/20/2014   04:29:49   (  70.38, 109.22) 04/20/2014   04:30:52  (  70.40, 109.14)    3.75                63
 04/22/2014   19:07:18   (  70.54,-109.93) 04/22/2014   19:06:25  (  70.54,-109.95)    0.57                53
 04/22/2014   19:56:48   ( -70.44,  57.54) 04/22/2014   19:57:07  ( -70.46,  57.50)    2.72                19
 04/22/2014   20:46:30   (  69.50,-136.13) 04/22/2014   20:47:36  (  69.54,-133.78)   91.63                66
 04/25/2014   10:34:03   ( -71.36,-160.43) 04/25/2014   10:32:56  ( -71.43,-163.01)   91.83                67
 04/25/2014   11:23:44   (  70.48,   5.86) 04/25/2014   11:23:24  (  70.48,   5.92)    2.26                20
 04/25/2014   12:13:14   ( -70.38, 173.34) 04/25/2014   12:14:06  ( -70.39, 173.37)    1.96                52
 04/28/2014   02:50:43   ( -70.54, -45.81) 04/28/2014   02:49:39  ( -70.55, -45.74)    3.07                64
 04/28/2014   03:40:09   (  70.48, 121.74) 04/28/2014   03:40:24  (  70.48, 121.69)    1.91                15
 04/28/2014   04:29:47   ( -69.94, -71.40) 04/28/2014   04:30:57  ( -69.92, -70.12)   48.97                70
 04/30/2014   19:07:07   ( -70.54,  70.06) 04/30/2014   19:06:38  ( -70.56,  70.02)    2.60                29
 04/30/2014   19:56:34   (  70.42,-122.46) 04/30/2014   19:57:22  (  70.43,-122.47)    1.66                48