Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 1 15.  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)
 01/16/2014   21:37:05   ( -70.24,  32.59) 01/16/2014   21:36:00  ( -70.26,  32.56)    1.95                65
 01/16/2014   22:26:32   (  70.14,-159.91) 01/16/2014   22:26:44  (  70.12,-159.92)    2.30                12
 01/16/2014   23:16:08   ( -69.69,   7.10) 01/16/2014   23:17:19  ( -69.68,   8.07)   37.64                71
 01/19/2014   13:53:29   ( -70.23, 148.46) 01/19/2014   13:52:56  ( -70.22, 148.41)    2.96                33
 01/19/2014   14:42:57   (  70.08, -44.12) 01/19/2014   14:43:40  (  70.08, -44.08)    1.56                43
 01/22/2014   05:20:24   (  70.32,  96.84) 01/22/2014   05:19:12  (  70.31,  96.71)    4.95                72
 01/22/2014   06:09:55   ( -70.15, -95.77) 01/22/2014   06:09:53  ( -70.18, -95.76)    3.44                 2
 01/22/2014   06:59:23   (  69.99,  71.65) 01/22/2014   07:00:35  (  69.94,  71.91)   11.07                72
 01/24/2014   21:36:50   (  70.21,-147.42) 01/24/2014   21:36:08  (  70.23,-147.38)    2.90                42
 01/24/2014   22:26:19   ( -70.15,  20.12) 01/24/2014   22:26:50  ( -70.15,  20.06)    2.21                31
 01/27/2014   13:03:40   ( -70.67, 161.51) 01/27/2014   13:02:29  ( -70.75, 160.25)   46.96                71
 01/27/2014   13:53:14   (  70.18, -31.56) 01/27/2014   13:53:05  (  70.21, -31.58)    2.99                 9
 01/27/2014   14:42:44   ( -70.07, 135.91) 01/27/2014   14:43:46  ( -70.07, 135.96)    2.00                62