Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2014 6 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)
 06/23/2014   02:01:18   ( -70.65, -33.17) 06/23/2014   02:00:11  ( -70.65, -33.16)    0.10                67
 06/23/2014   02:50:45   (  70.55, 134.33) 06/23/2014   02:50:55  (  70.53, 134.33)    1.62                10
 06/23/2014   03:40:20   ( -70.16, -58.60) 06/23/2014   03:41:31  ( -70.13, -57.71)   34.14                71
 06/25/2014   18:17:47   ( -70.63,  82.69) 06/25/2014   18:17:08  ( -70.60,  82.70)    3.54                39
 06/25/2014   19:07:14   (  70.52,-109.82) 06/25/2014   19:07:53  (  70.54,-109.90)    3.15                39
 06/28/2014   09:44:41   (  70.97,  31.47) 06/28/2014   09:43:30  (  71.01,  30.47)   36.69                71
 06/28/2014   10:34:16   ( -70.59,-161.48) 06/28/2014   10:34:06  ( -70.60,-161.53)    2.07                10
 06/28/2014   11:23:43   (  70.49,   6.01) 06/28/2014   11:24:50  (  70.49,   5.95)    2.05                67
 07/01/2014   02:01:15   (  70.64, 146.85) 07/01/2014   02:00:21  (  70.66, 146.84)    1.45                54
 07/01/2014   02:50:45   ( -70.54, -45.67) 07/01/2014   02:51:03  ( -70.55, -45.67)    1.57                18
 07/01/2014   03:40:25   (  69.66, 120.72) 07/01/2014   03:41:31  (  69.66, 123.02)   89.16                66
 07/03/2014   18:17:42   (  70.62, -97.29) 07/03/2014   18:17:17  (  70.61, -97.31)    1.46                25
 07/03/2014   19:07:12   ( -70.52,  70.19) 07/03/2014   19:07:59  ( -70.51,  70.18)    1.66                47