Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 25.  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)
 11/27/2017   14:42:03   (  70.14, -43.98) 11/27/2017   14:41:20  (  70.11, -43.99)    3.58                43
 11/27/2017   15:31:33   ( -70.03, 123.50) 11/27/2017   15:32:02  ( -70.02, 123.47)    1.78                29
 11/30/2017   06:08:52   ( -70.88, -94.63) 11/30/2017   06:07:44  ( -70.93, -96.84)   80.45                68
 11/30/2017   06:58:32   (  70.07,  71.80) 11/30/2017   06:58:14  (  70.09,  71.81)    2.94                18
 11/30/2017   07:48:02   ( -69.96,-120.72) 11/30/2017   07:48:55  ( -69.94,-120.65)    3.29                53
 12/02/2017   22:25:33   ( -70.15,  20.16) 12/02/2017   22:24:23  ( -70.13,  20.22)    3.31                70
 12/02/2017   23:15:00   (  70.04,-172.35) 12/02/2017   23:15:07  (  70.03,-172.32)    1.95                 7
 12/03/2017   00:04:34   ( -69.72,  -5.17) 12/03/2017   00:05:45  ( -69.71,  -4.53)   24.47                71
 12/05/2017   14:42:01   ( -70.12, 136.01) 12/05/2017   14:41:17  ( -70.11, 136.01)    1.13                44
 12/05/2017   15:31:28   (  70.01, -56.51) 12/05/2017   15:32:01  (  70.02, -56.53)    1.19                33
 12/08/2017   06:08:48   (  70.74,  85.17) 12/08/2017   06:07:39  (  70.79,  83.39)   65.50                69
 12/08/2017   06:58:28   ( -70.09,-108.15) 12/08/2017   06:58:10  ( -70.10,-108.20)    2.37                18
 12/08/2017   07:47:55   (  69.97,  59.33) 12/08/2017   07:48:53  (  69.96,  59.33)    1.89                58