Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 11 1.  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)
 11/03/2017   14:42:13   ( -70.12, 135.97) 11/03/2017   14:41:25  ( -70.13, 136.00)    1.90                48
 11/03/2017   15:31:40   (  70.02, -56.53) 11/03/2017   15:32:09  (  70.01, -56.50)    1.60                29
 11/06/2017   06:08:59   (  70.93,  85.42) 11/06/2017   06:07:52  (  70.96,  83.13)   83.39                67
 11/06/2017   06:58:42   ( -70.11,-108.17) 11/06/2017   06:58:19  ( -70.09,-108.16)    2.01                23
 11/06/2017   07:48:09   (  70.00,  59.33) 11/06/2017   07:49:04  (  70.02,  59.25)    3.59                55
 11/08/2017   22:25:41   (  70.19,-159.80) 11/08/2017   22:24:32  (  70.19,-159.86)    2.37                69
 11/08/2017   23:15:12   ( -70.03,   7.60) 11/08/2017   23:15:13  ( -70.04,   7.68)    3.30                 1
 11/09/2017   00:04:42   (  69.75, 174.87) 11/09/2017   00:05:53  (  69.72, 175.47)   23.83                71
 11/11/2017   14:42:09   (  70.16, -43.96) 11/11/2017   14:41:25  (  70.15, -44.04)    3.07                44
 11/11/2017   15:31:40   ( -70.00, 123.45) 11/11/2017   15:32:06  ( -70.00, 123.51)    2.29                26
 11/14/2017   06:08:57   ( -71.00, -94.47) 11/14/2017   06:07:50  ( -71.01, -96.96)   90.18                67
 11/14/2017   06:58:39   (  70.07,  71.79) 11/14/2017   06:58:18  (  70.07,  71.86)    2.75                21
 11/14/2017   07:48:09   ( -69.97,-120.72) 11/14/2017   07:49:00  ( -69.97,-120.67)    1.85                51