Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 9 26.  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)
 09/27/2015   13:02:57   ( -70.42, 161.17) 09/27/2015   13:02:28  ( -70.42, 161.14)    1.15                29
 09/27/2015   13:52:25   (  70.27, -31.41) 09/27/2015   13:53:12  (  70.29, -31.34)    3.51                47
 09/30/2015   04:29:56   (  70.57, 109.63) 09/30/2015   04:28:43  (  70.65, 109.23)   17.50                73
 09/30/2015   05:19:28   ( -70.35, -83.06) 09/30/2015   05:19:21  ( -70.36, -83.00)    2.67                 7
 09/30/2015   06:08:55   (  70.24,  84.44) 09/30/2015   06:10:05  (  70.23,  84.51)    2.90                70
 10/02/2015   20:46:28   (  70.43,-134.69) 10/02/2015   20:45:33  (  70.44,-134.68)    1.67                55
 10/02/2015   21:35:58   ( -70.32,  32.78) 10/02/2015   21:36:14  ( -70.31,  32.85)    2.71                16
 10/02/2015   22:25:38   (  69.50,-160.73) 10/02/2015   22:26:45  (  69.49,-158.63)   81.87                67
 10/05/2015   13:02:57   (  70.39, -18.87) 10/05/2015   13:02:25  (  70.40, -18.84)    1.65                32
 10/05/2015   13:52:27   ( -70.28, 148.61) 10/05/2015   13:53:07  ( -70.31, 148.61)    3.51                40
 10/08/2015   04:29:53   ( -70.83, -69.97) 10/08/2015   04:28:42  ( -70.89, -71.18)   44.75                71
 10/08/2015   05:19:27   (  70.34,  96.94) 10/08/2015   05:19:18  (  70.36,  96.99)    2.93                 9
 10/08/2015   06:08:56   ( -70.29, -95.50) 10/08/2015   06:10:00  ( -70.27, -95.56)    3.15                64