Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 5 29.  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)
 05/30/2015   10:33:22   ( -71.49,-160.06) 05/30/2015   10:32:15  ( -71.50,-162.67)   92.22                67
 05/30/2015   11:23:04   (  70.58,   6.15) 05/30/2015   11:22:44  (  70.59,   6.17)    2.32                20
 05/30/2015   12:12:34   ( -70.46, 173.61) 05/30/2015   12:13:25  ( -70.47, 173.69)    2.94                51
 06/02/2015   02:50:07   ( -70.66, -45.48) 06/02/2015   02:48:54  ( -70.69, -45.53)    3.81                73
 06/02/2015   03:39:34   (  70.56, 122.01) 06/02/2015   03:39:38  (  70.57, 121.98)    1.37                 4
 06/02/2015   04:29:05   ( -70.40, -70.60) 06/02/2015   04:30:18  ( -70.39, -70.41)    7.20                73
 06/04/2015   19:06:38   ( -70.60,  70.30) 06/04/2015   19:05:47  ( -70.61,  70.36)    2.80                51
 06/04/2015   19:56:05   (  70.49,-122.21) 06/04/2015   19:56:31  (  70.49,-122.13)    2.95                26
 06/07/2015   11:23:08   ( -70.59,-173.83) 06/07/2015   11:22:41  ( -70.59,-173.83)    0.47                27
 06/07/2015   12:12:35   (  70.48,  -6.35) 06/07/2015   12:13:25  (  70.47,  -6.34)    1.31                50
 06/10/2015   02:50:07   (  70.69, 134.57) 06/10/2015   02:48:54  (  70.76, 134.33)   11.73                73
 06/10/2015   03:39:38   ( -70.53, -58.03) 06/10/2015   03:39:34  ( -70.57, -58.03)    3.51                 4
 06/10/2015   04:29:05   (  70.42, 109.45) 06/10/2015   04:30:18  (  70.45, 109.46)    3.48                73