Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2016 10 12.  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)
 10/12/2016   22:25:44   ( -70.22,  20.25) 10/12/2016   22:24:34  ( -70.23,  20.19)    2.81                70
 10/12/2016   23:15:11   (  70.12,-172.25) 10/12/2016   23:15:18  (  70.09,-172.29)    3.12                 7
 10/13/2016   00:04:44   ( -69.84,  -5.01) 10/13/2016   00:05:56  ( -69.81,  -4.55)   17.63                72
 10/15/2016   14:42:15   ( -70.15, 136.04) 10/15/2016   14:41:29  ( -70.16, 136.05)    0.94                46
 10/15/2016   15:31:42   (  70.05, -56.46) 10/15/2016   15:32:13  (  70.03, -56.44)    2.90                31
 10/18/2016   06:09:03   (  70.85,  85.32) 10/18/2016   06:07:55  (  70.90,  83.31)   73.38                68
 10/18/2016   06:58:44   ( -70.14,-108.10) 10/18/2016   06:58:24  ( -70.14,-108.16)    2.00                20
 10/18/2016   07:48:11   (  70.03,  59.39) 10/18/2016   07:49:08  (  70.01,  59.35)    3.16                57
 10/20/2016   22:25:45   (  70.17,-159.82) 10/20/2016   22:24:38  (  70.20,-159.80)    2.83                67
 10/20/2016   23:15:15   ( -70.07,   7.67) 10/20/2016   23:15:19  ( -70.06,   7.72)    2.10                 4
 10/21/2016   00:04:47   (  69.68, 174.78) 10/21/2016   00:05:58  (  69.67, 175.61)   32.37                71
 10/23/2016   14:42:15   (  70.14, -43.98) 10/23/2016   14:41:34  (  70.17, -44.00)    3.37                41
 10/23/2016   15:31:45   ( -70.04, 123.51) 10/23/2016   15:32:15  ( -70.03, 123.53)    1.07                30