Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 5 3.  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)
 05/03/2015   19:56:08   (  70.60,-122.22) 05/03/2015   19:56:36  (  70.59,-122.18)    2.51                28
 05/06/2015   10:33:26   (  71.43,  19.66) 05/06/2015   10:32:18  (  71.44,  17.52)   75.90                68
 05/06/2015   11:23:08   ( -70.66,-173.90) 05/06/2015   11:22:47  ( -70.68,-173.88)    2.41                21
 05/06/2015   12:12:35   (  70.55,  -6.42) 05/06/2015   12:13:31  (  70.55,  -6.37)    1.75                56
 05/09/2015   02:50:05   (  70.72, 134.43) 05/09/2015   02:49:00  (  70.73, 134.48)    2.19                65
 05/09/2015   03:39:34   ( -70.66, -58.02) 05/09/2015   03:39:42  ( -70.65, -58.07)    2.35                 8
 05/09/2015   04:29:09   (  70.11, 108.83) 05/09/2015   04:30:18  (  70.10, 110.09)   47.85                69
 05/11/2015   19:06:30   (  70.71,-109.69) 05/11/2015   19:05:54  (  70.71,-109.73)    1.35                36
 05/11/2015   19:56:00   ( -70.60,  57.78) 05/11/2015   19:56:36  ( -70.63,  57.73)    3.18                36
 05/14/2015   10:33:23   ( -71.14,-160.79) 05/14/2015   10:32:12  ( -71.18,-162.05)   45.38                71
 05/14/2015   11:22:57   (  70.65,   6.09) 05/14/2015   11:22:48  (  70.64,   6.15)    2.01                 9
 05/14/2015   12:12:27   ( -70.54, 173.57) 05/14/2015   12:13:30  ( -70.56, 173.60)    2.21                63
 05/17/2015   02:49:56   ( -70.74, -45.52) 05/17/2015   02:48:59  ( -70.75, -45.57)    1.87                57
 05/17/2015   03:39:23   (  70.63, 121.95) 05/17/2015   03:39:43  (  70.63, 121.92)    1.05                20