Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 2 12.  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   18:17:50   (  70.78, -97.17) 02/12/2015   18:16:45  (  70.77, -97.14)    1.22                65
 02/12/2015   19:07:19   ( -70.72,  70.37) 02/12/2015   19:07:27  ( -70.69,  70.30)    3.55                 8
 02/12/2015   19:56:54   (  70.17,-122.78) 02/12/2015   19:58:04  (  70.20,-121.61)   44.27                70
 02/15/2015   10:34:16   (  70.76,  18.70) 02/15/2015   10:33:38  (  70.73,  18.69)    3.30                38
 02/15/2015   11:23:46   ( -70.65,-173.84) 02/15/2015   11:24:20  ( -70.65,-173.86)    0.88                34
 02/18/2015   02:01:07   ( -71.26, -32.29) 02/18/2015   01:59:57  ( -71.33, -33.87)   57.26                70
 02/18/2015   02:50:42   (  70.72, 134.52) 02/18/2015   02:50:31  (  70.70, 134.50)    1.83                11
 02/18/2015   03:40:12   ( -70.60, -58.02) 02/18/2015   03:41:13  ( -70.61, -58.04)    1.34                61
 02/20/2015   18:17:39   ( -70.80,  82.89) 02/20/2015   18:16:39  ( -70.78,  82.83)    3.11                60
 02/20/2015   19:07:06   (  70.69,-109.63) 02/20/2015   19:07:23  (  70.67,-109.68)    3.08                17
 02/20/2015   19:56:46   ( -70.03,  57.05) 02/20/2015   19:57:55  ( -70.05,  58.60)   59.09                69
 02/23/2015   10:34:04   ( -70.74,-161.30) 02/23/2015   10:33:32  ( -70.75,-161.36)    2.36                32
 02/23/2015   11:23:31   (  70.63,   6.18) 02/23/2015   11:24:16  (  70.64,   6.12)    2.51                45
 02/26/2015   02:00:57   (  70.88, 147.17) 02/26/2015   01:59:45  (  70.93, 146.80)   14.90                72
 02/26/2015   02:50:29   ( -70.66, -45.53) 02/26/2015   02:50:24  ( -70.67, -45.46)    3.10                 5
 02/26/2015   03:39:55   (  70.60, 122.03) 02/26/2015   03:41:08  (  70.57, 122.01)    3.16                73