Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2013 12 8.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8)   LANDSAT-8 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/10/2013   14:43:31   ( -70.13, 135.92) ( -70.10, 135.93)    2.97                44
 12/10/2013   15:32:58   (  70.01, -56.60) (  70.03, -56.64)    2.46                34
 12/13/2013   06:10:23   (  70.54,  84.76) (  70.57,  83.64)   41.80                71
 12/13/2013   07:00:00   ( -70.06,-108.30) ( -70.07,-108.25)    2.40                14
 12/13/2013   07:49:26   (  69.99,  59.25) (  69.99,  59.17)    2.87                65
 12/15/2013   22:26:57   (  70.16,-159.90) (  70.17,-159.97)    2.89                53
 12/15/2013   23:16:28   ( -70.01,   7.52) ( -70.04,   7.56)    3.09                17
 12/16/2013   00:06:08   (  69.17, 174.02) (  69.17, 176.15)   83.91                67
 12/18/2013   14:43:25   (  70.09, -44.12) (  70.10, -44.09)    1.41                23
 12/18/2013   15:32:55   ( -70.00, 123.39) ( -70.01, 123.36)    1.73                49
 12/21/2013   06:10:24   ( -70.18, -95.75) ( -70.16, -95.72)    3.12                69
 12/21/2013   06:59:51   (  70.05,  71.72) (  70.03,  71.78)    3.37                 8
 12/21/2013   07:49:25   ( -69.74,-121.09) ( -69.73,-120.45)   24.49                72