Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 28.  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)
 11/30/2017   06:08:52   ( -70.88, -94.63) 11/30/2017   06:07:44  ( -70.93, -96.84)   80.44                68
 11/30/2017   06:58:32   (  70.07,  71.81) 11/30/2017   06:58:14  (  70.09,  71.81)    1.84                18
 11/30/2017   07:48:02   ( -69.96,-120.72) 11/30/2017   07:48:55  ( -69.94,-120.64)    3.49                53
 12/02/2017   22:25:33   ( -70.16,  20.17) 12/02/2017   22:24:24  ( -70.18,  20.14)    2.95                69
 12/02/2017   23:15:00   (  70.05,-172.34) 12/02/2017   23:15:07  (  70.02,-172.32)    2.97                 7
 12/03/2017   00:04:34   ( -69.72,  -5.17) 12/03/2017   00:05:45  ( -69.71,  -4.53)   24.37                71
 12/05/2017   14:42:01   ( -70.13, 136.02) 12/05/2017   14:41:17  ( -70.11, 136.01)    1.86                44
 12/05/2017   15:31:28   (  70.02, -56.50) 12/05/2017   15:32:01  (  70.01, -56.53)    1.41                33
 12/08/2017   06:08:48   (  70.75,  85.18) 12/08/2017   06:07:39  (  70.79,  83.39)   65.83                69
 12/08/2017   06:58:28   ( -70.10,-108.14) 12/08/2017   06:58:10  ( -70.10,-108.20)    2.36                18
 12/08/2017   07:47:55   (  69.99,  59.34) 12/08/2017   07:48:53  (  69.95,  59.33)    3.58                58
 12/10/2017   22:25:26   (  70.16,-159.80) 12/10/2017   22:24:21  (  70.15,-159.83)    1.64                65
 12/10/2017   23:14:56   ( -70.06,   7.69) 12/10/2017   23:15:03  ( -70.04,   7.66)    2.58                 7
 12/11/2017   00:04:30   (  69.56, 174.64) 12/11/2017   00:05:40  (  69.58, 175.66)   39.60                70