Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 2 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)
 02/12/2015   18:17:49   (  70.81, -97.11) 02/12/2015   18:16:45  (  70.79, -97.17)    3.32                64
 02/12/2015   19:07:19   ( -70.70,  70.34) 02/12/2015   19:07:27  ( -70.71,  70.28)    2.98                 8
 02/12/2015   19:56:54   (  70.16,-122.81) 02/12/2015   19:58:03  (  70.17,-121.56)   47.22                69
 02/15/2015   10:34:16   (  70.75,  18.67) 02/15/2015   10:33:38  (  70.75,  18.65)    1.11                38
 02/15/2015   11:23:46   ( -70.63,-173.87) 02/15/2015   11:24:19  ( -70.62,-173.81)    2.56                33
 02/18/2015   02:01:06   ( -71.30, -32.22) 02/18/2015   01:59:57  ( -71.36, -33.91)   60.54                69
 02/18/2015   02:50:42   (  70.71, 134.50) 02/18/2015   02:50:31  (  70.72, 134.47)    2.34                11
 02/18/2015   03:40:12   ( -70.59, -58.04) 02/18/2015   03:41:12  ( -70.58, -57.99)    2.02                60
 02/20/2015   18:17:41   ( -70.74,  82.80) 02/20/2015   18:16:39  ( -70.75,  82.87)    3.22                62
 02/20/2015   19:07:08   (  70.63,-109.72) 02/20/2015   19:07:23  (  70.65,-109.64)    3.17                15
 02/20/2015   19:56:47   ( -70.03,  57.03) 02/20/2015   19:57:55  ( -70.03,  58.64)   61.04                68
 02/23/2015   10:34:04   ( -70.75,-161.30) 02/23/2015   10:33:31  ( -70.73,-161.32)    2.09                33
 02/23/2015   11:23:31   (  70.64,   6.19) 02/23/2015   11:24:15  (  70.62,   6.16)    1.82                44