Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 5 5.  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)
 05/06/2015   10:33:27   (  71.37,  19.58) 05/06/2015   10:32:19  (  71.47,  17.46)   75.99                68
 05/06/2015   11:23:07   ( -70.66,-173.90) 05/06/2015   11:22:46  ( -70.66,-173.85)    1.99                21
 05/06/2015   12:12:34   (  70.56,  -6.41) 05/06/2015   12:13:30  (  70.54,  -6.34)    3.34                56
 05/09/2015   02:50:03   (  70.75, 134.49) 05/09/2015   02:49:00  (  70.77, 134.42)    3.01                63
 05/09/2015   03:39:33   ( -70.64, -58.05) 05/09/2015   03:39:41  ( -70.63, -58.04)    0.41                 8
 05/09/2015   04:29:08   (  70.09, 108.80) 05/09/2015   04:30:17  (  70.09, 110.12)   49.89                69
 05/11/2015   19:06:29   (  70.71,-109.68) 05/11/2015   19:05:54  (  70.69,-109.70)    2.56                35
 05/11/2015   19:55:59   ( -70.60,  57.78) 05/11/2015   19:56:36  ( -70.61,  57.75)    1.43                37
 05/14/2015   10:33:23   ( -71.04,-160.93) 05/14/2015   10:32:11  ( -71.11,-161.93)   36.79                72
 05/14/2015   11:22:55   (  70.66,   6.13) 05/14/2015   11:22:49  (  70.67,   6.09)    2.02                 6
 05/14/2015   12:12:25   ( -70.55, 173.60) 05/14/2015   12:13:30  ( -70.54, 173.63)    1.84                65
 05/17/2015   02:49:54   ( -70.70, -45.57) 05/17/2015   02:48:59  ( -70.73, -45.54)    2.91                55
 05/17/2015   03:39:20   (  70.59, 121.91) 05/17/2015   03:39:42  (  70.61, 121.96)    2.63                22