Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 5 7.  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)
 05/09/2015   02:50:03   (  70.76, 134.50) 05/09/2015   02:49:00  (  70.76, 134.44)    2.51                63
 05/09/2015   03:39:33   ( -70.64, -58.05) 05/09/2015   03:39:41  ( -70.63, -58.04)    1.19                 8
 05/09/2015   04:29:08   (  70.10, 108.82) 05/09/2015   04:30:17  (  70.08, 110.13)   50.02                69
 05/11/2015   19:06:30   (  70.67,-109.75) 05/11/2015   19:05:54  (  70.68,-109.68)    3.08                36
 05/11/2015   19:55:59   ( -70.60,  57.79) 05/11/2015   19:56:36  ( -70.61,  57.76)    0.95                37
 05/14/2015   10:33:23   ( -71.04,-160.93) 05/14/2015   10:32:11  ( -71.11,-161.93)   36.61                72
 05/14/2015   11:22:55   (  70.67,   6.14) 05/14/2015   11:22:49  (  70.67,   6.10)    1.35                 6
 05/14/2015   12:12:25   ( -70.55, 173.60) 05/14/2015   12:13:30  ( -70.54, 173.63)    2.17                65
 05/17/2015   02:49:53   ( -70.70, -45.57) 05/17/2015   02:48:58  ( -70.73, -45.54)    2.82                55
 05/17/2015   03:39:20   (  70.60, 121.92) 05/17/2015   03:39:42  (  70.61, 121.96)    1.79                22
 05/17/2015   04:29:03   ( -69.77, -71.63) 05/17/2015   04:30:10  ( -69.79, -69.46)   83.51                67
 05/19/2015   18:16:33   (  71.61, -95.88) 05/19/2015   18:15:27  (  71.64, -98.67)   97.78                66
 05/19/2015   19:06:18   ( -70.68,  70.28) 05/19/2015   19:05:52  ( -70.67,  70.31)    1.33                26
 05/19/2015   19:55:45   (  70.57,-122.24) 05/19/2015   19:56:36  (  70.55,-122.19)    2.51                51