Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 1 2.  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)
 01/03/2017   14:42:08   ( -70.13, 135.98) 01/03/2017   14:41:21  ( -70.14, 135.95)    1.89                47
 01/03/2017   15:31:35   (  70.03, -56.52) 01/03/2017   15:32:05  (  70.03, -56.57)    1.79                30
 01/06/2017   06:08:53   (  70.93,  85.42) 01/06/2017   06:07:46  (  70.96,  83.09)   84.45                67
 01/06/2017   06:58:36   ( -70.11,-108.17) 01/06/2017   06:58:13  ( -70.08,-108.18)    3.54                23
 01/06/2017   07:48:04   (  69.95,  59.24) 01/06/2017   07:48:57  (  69.97,  59.30)    2.63                53
 01/08/2017   22:25:36   (  70.14,-159.89) 01/08/2017   22:24:25  (  70.16,-159.86)    2.92                71
 01/08/2017   23:15:05   ( -70.09,   7.67) 01/08/2017   23:15:07  ( -70.07,   7.60)    3.17                 2
 01/09/2017   00:04:36   (  69.76, 174.86) 01/09/2017   00:05:47  (  69.75, 175.40)   20.88                71
 01/11/2017   14:42:05   (  70.11, -44.05) 01/11/2017   14:41:18  (  70.11, -44.00)    2.24                47
 01/11/2017   15:31:35   ( -70.00, 123.43) 01/11/2017   15:32:00  ( -70.01, 123.46)    1.81                25
 01/14/2017   06:08:51   ( -71.05, -94.40) 01/14/2017   06:07:45  ( -71.10, -97.14)   99.02                66
 01/14/2017   06:58:33   (  70.12,  71.85) 01/14/2017   06:58:12  (  70.10,  71.78)    3.25                21
 01/14/2017   07:48:04   ( -69.96,-120.74) 01/14/2017   07:48:53  ( -69.96,-120.68)    2.30                49