Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2015 10 17.  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)
 10/18/2015   20:46:28   (  70.44,-134.67) 10/18/2015   20:45:24  (  70.46,-134.74)    3.26                64
 10/18/2015   21:35:58   ( -70.33,  32.80) 10/18/2015   21:36:05  ( -70.33,  32.79)    0.79                 7
 10/18/2015   22:25:32   (  69.85,-160.25) 10/18/2015   22:26:42  (  69.83,-159.16)   41.83                70
 10/21/2015   13:03:00   (  70.37, -18.90) 10/21/2015   13:02:16  (  70.38, -18.85)    2.62                44
 10/21/2015   13:52:29   ( -70.31, 148.65) 10/21/2015   13:52:58  ( -70.30, 148.60)    2.53                29
 10/24/2015   04:29:48   ( -71.31, -69.22) 10/24/2015   04:28:42  ( -71.36, -72.02)   99.65                66
 10/24/2015   05:19:30   (  70.39,  97.00) 10/24/2015   05:19:09  (  70.37,  96.94)    3.37                21
 10/24/2015   06:09:00   ( -70.28, -95.52) 10/24/2015   06:09:51  ( -70.28, -95.60)    3.09                51
 10/26/2015   20:46:33   ( -70.51,  45.41) 10/26/2015   20:45:20  ( -70.57,  45.09)   13.60                73
 10/26/2015   21:36:02   (  70.29,-147.27) 10/26/2015   21:36:01  (  70.30,-147.19)    3.29                 1
 10/26/2015   22:25:32   ( -70.19,  20.22) 10/26/2015   22:26:43  ( -70.21,  20.28)    3.26                71
 10/29/2015   13:03:04   ( -70.40, 161.12) 10/29/2015   13:02:09  ( -70.40, 161.12)    0.15                55
 10/29/2015   13:52:31   (  70.29, -31.39) 10/29/2015   13:52:53  (  70.30, -31.41)    1.20                22