Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 12 1.  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)
 12/02/2016   14:42:15   ( -70.13, 135.98) 12/02/2016   14:41:30  ( -70.14, 135.96)    1.34                45
 12/02/2016   15:31:42   (  70.03, -56.52) 12/02/2016   15:32:14  (  70.04, -56.57)    2.13                32
 12/05/2016   06:09:03   (  70.82,  85.25) 12/05/2016   06:07:55  (  70.88,  83.23)   74.17                68
 12/05/2016   06:58:44   ( -70.11,-108.17) 12/05/2016   06:58:24  ( -70.09,-108.20)    1.72                20
 12/05/2016   07:48:11   (  70.00,  59.32) 12/05/2016   07:49:08  (  70.00,  59.26)    2.51                57
 12/07/2016   22:25:43   (  70.19,-159.81) 12/07/2016   22:24:36  (  70.16,-159.85)    3.28                67
 12/07/2016   23:15:13   ( -70.08,   7.67) 12/07/2016   23:15:18  ( -70.05,   7.63)    3.33                 5
 12/08/2016   00:04:46   (  69.64, 174.70) 12/08/2016   00:05:56  (  69.64, 175.56)   33.10                70
 12/10/2016   14:42:11   (  70.15, -43.98) 12/10/2016   14:41:29  (  70.13, -44.03)    3.29                42
 12/10/2016   15:31:42   ( -69.99, 123.43) 12/10/2016   15:32:11  ( -70.02, 123.46)    2.85                29
 12/13/2016   06:09:01   ( -70.88, -94.66) 12/13/2016   06:07:53  ( -70.92, -96.83)   79.09                68
 12/13/2016   06:58:40   (  70.11,  71.84) 12/13/2016   06:58:23  (  70.09,  71.79)    2.48                17
 12/13/2016   07:48:11   ( -69.95,-120.75) 12/13/2016   07:49:05  ( -69.98,-120.72)    3.36                54