Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 4 21.  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)
 04/22/2014   19:07:25   (  70.53,-109.98) 04/22/2014   19:06:25  (  70.51,-109.91)    3.20                60
 04/22/2014   19:56:55   ( -70.42,  57.49) 04/22/2014   19:57:07  ( -70.43,  57.54)    2.36                12
 04/22/2014   20:46:32   (  69.76,-135.79) 04/22/2014   20:47:40  (  69.72,-134.05)   67.12                68
 04/25/2014   11:23:51   (  70.52,   5.89) 04/25/2014   11:23:24  (  70.51,   5.87)    1.78                27
 04/25/2014   12:13:21   ( -70.41, 173.36) 04/25/2014   12:14:06  ( -70.43, 173.32)    2.02                45
 04/28/2014   02:50:51   ( -70.59, -45.78) 04/28/2014   02:49:39  ( -70.58, -45.79)    0.62                72
 04/28/2014   03:40:18   (  70.48, 121.70) 04/28/2014   03:40:23  (  70.45, 121.72)    2.67                 5
 04/28/2014   04:29:50   ( -70.26, -70.98) 04/28/2014   04:31:02  ( -70.21, -70.58)   16.07                72
 04/30/2014   19:07:17   ( -70.56,  70.07) 04/30/2014   19:06:38  ( -70.54,  70.05)    3.04                39
 04/30/2014   19:56:44   (  70.45,-122.45) 04/30/2014   19:57:23  (  70.46,-122.52)    2.83                39
 05/03/2014   10:34:11   (  70.72,  18.55) 05/03/2014   10:32:59  (  70.80,  18.08)   19.29                72
 05/03/2014   11:23:43   ( -70.50,-174.14) 05/03/2014   11:23:37  ( -70.50,-174.12)    0.98                 6
 05/03/2014   12:13:10   (  70.39,  -6.66) 05/03/2014   12:14:21  (  70.38,  -6.61)    2.41                71