Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 1 31.  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)
 02/02/2015   02:01:20   ( -71.36, -32.15) 02/02/2015   02:00:11  ( -71.40, -33.95)   64.35                69
 02/02/2015   02:50:57   (  70.72, 134.49) 02/02/2015   02:50:44  (  70.70, 134.52)    2.22                13
 02/02/2015   03:40:27   ( -70.61, -58.05) 02/02/2015   03:41:26  ( -70.63, -58.04)    2.55                59
 02/04/2015   18:17:58   ( -70.80,  82.84) 02/04/2015   18:16:48  ( -70.82,  82.80)    3.30                70
 02/04/2015   19:07:25   (  70.70,-109.67) 02/04/2015   19:07:32  (  70.71,-109.70)    1.70                 7
 02/04/2015   19:56:58   ( -70.42,  57.55) 02/04/2015   19:58:10  ( -70.42,  58.08)   19.66                72
 02/07/2015   10:34:27   ( -70.76,-161.34) 02/07/2015   10:33:36  ( -70.78,-161.34)    2.13                51
 02/07/2015   11:23:54   (  70.65,   6.14) 02/07/2015   11:24:20  (  70.66,   6.16)    1.22                26
 02/10/2015   02:50:55   ( -70.76, -45.47) 02/10/2015   02:50:24  ( -70.73, -45.48)    2.47                31
 02/10/2015   03:40:22   (  70.65, 122.02) 02/10/2015   03:41:08  (  70.63, 122.00)    2.79                46
 02/12/2015   18:17:48   (  71.12, -96.66) 02/12/2015   18:16:37  (  71.16, -97.71)   38.25                71
 02/12/2015   19:07:24   ( -70.68,  70.30) 02/12/2015   19:07:12  ( -70.70,  70.36)    2.73                12
 02/12/2015   19:56:51   (  70.58,-122.21) 02/12/2015   19:57:56  (  70.59,-122.16)    2.75                65