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   ( -70.14, 135.98) 11/03/2017   14:41:25  ( -70.13, 136.02)    1.80                48
 11/03/2017   15:31:40   (  70.03, -56.53) 11/03/2017   15:32:09  (  70.00, -56.49)    3.00                29
 11/06/2017   06:09:00   (  70.88,  85.33) 11/06/2017   06:07:52  (  70.95,  83.14)   80.09                68
 11/06/2017   06:58:42   ( -70.12,-108.17) 11/06/2017   06:58:20  ( -70.13,-108.23)    2.75                22
 11/06/2017   07:48:09   (  70.00,  59.32) 11/06/2017   07:49:04  (  70.01,  59.26)    2.33                55
 11/08/2017   22:25:40   (  70.19,-159.81) 11/08/2017   22:24:31  (  70.18,-159.85)    1.97                69
 11/08/2017   23:15:10   ( -70.09,   7.68) 11/08/2017   23:15:13  ( -70.09,   7.61)    2.50                 3
 11/09/2017   00:04:41   (  69.75, 174.85) 11/09/2017   00:05:53  (  69.76, 175.41)   21.41                72
 11/11/2017   14:42:09   (  70.16, -43.98) 11/11/2017   14:41:25  (  70.14, -44.02)    2.30                44
 11/11/2017   15:31:39   ( -70.06, 123.51) 11/11/2017   15:32:07  ( -70.05, 123.44)    2.77                28
 11/14/2017   06:08:58   ( -70.94, -94.58) 11/14/2017   06:07:50  ( -71.00, -96.94)   85.78                68
 11/14/2017   06:58:38   (  70.11,  71.84) 11/14/2017   06:58:19  (  70.11,  71.80)    1.80                19
 11/14/2017   07:48:08   ( -70.01,-120.67) 11/14/2017   07:49:01  ( -70.01,-120.73)    2.54                53