Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 1 7.  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)
 01/08/2017   22:25:36   (  70.17,-159.84) 01/08/2017   22:24:26  (  70.18,-159.89)    2.32                70
 01/08/2017   23:15:06   ( -70.06,   7.63) 01/08/2017   23:15:07  ( -70.05,   7.64)    1.22                 1
 01/09/2017   00:04:36   (  69.79, 174.90) 01/09/2017   00:05:48  (  69.77, 175.36)   18.10                72
 01/11/2017   14:42:04   (  70.14, -44.01) 01/11/2017   14:41:18  (  70.12, -44.03)    1.83                46
 01/11/2017   15:31:34   ( -70.03, 123.47) 01/11/2017   15:32:00  ( -70.04, 123.42)    2.03                26
 01/14/2017   06:08:51   ( -71.03, -94.44) 01/14/2017   06:07:44  ( -71.07, -97.09)   95.93                67
 01/14/2017   06:58:33   (  70.10,  71.82) 01/14/2017   06:58:12  (  70.12,  71.75)    3.13                21
 01/14/2017   07:48:03   ( -70.00,-120.70) 01/14/2017   07:48:53  ( -69.98,-120.72)    1.94                50
 01/16/2017   22:25:34   ( -70.23,  20.24) 01/16/2017   22:24:22  ( -70.23,  20.04)    7.39                72
 01/16/2017   23:15:02   (  70.07,-172.35) 01/16/2017   23:15:05  (  70.07,-172.39)    1.39                 3
 01/17/2017   00:04:33   ( -69.91,  -4.94) 01/17/2017   00:05:46  ( -69.93,  -4.86)    3.91                73
 01/19/2017   14:42:04   ( -70.14, 135.98) 01/19/2017   14:41:14  ( -70.13, 135.98)    0.75                50
 01/19/2017   15:31:31   (  70.02, -56.53) 01/19/2017   15:31:58  (  70.01, -56.54)    0.92                27