Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 1 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)
 01/01/2019   14:41:46   (  70.14, -43.98) 01/01/2019   14:41:14  (  70.13, -44.03)    2.50                32
 01/01/2019   15:31:16   ( -70.03, 123.50) 01/01/2019   15:31:56  ( -70.03, 123.44)    2.37                40
 01/04/2019   06:08:42   ( -70.56, -95.13) 01/04/2019   06:07:31  ( -70.57, -96.26)   41.92                71
 01/04/2019   06:58:16   (  70.07,  71.80) 01/04/2019   06:58:08  (  70.10,  71.79)    3.17                 8
 01/04/2019   07:47:46   ( -69.96,-120.72) 01/04/2019   07:48:49  ( -69.94,-120.67)    2.66                63
 01/06/2019   22:25:18   ( -70.16,  20.16) 01/06/2019   22:24:18  ( -70.17,  20.13)    1.91                60
 01/06/2019   23:14:45   (  70.05,-172.35) 01/06/2019   23:15:02  (  70.07,-172.40)    3.18                17
 01/07/2019   00:04:25   ( -69.39,  -5.61) 01/07/2019   00:05:34  ( -69.44,  -4.15)   57.45                69
 01/09/2019   14:41:46   ( -70.13, 136.01) 01/09/2019   14:41:11  ( -70.14, 135.95)    2.52                35
 01/09/2019   15:31:13   (  70.02, -56.50) 01/09/2019   15:31:54  (  69.99, -56.51)    3.30                41
 01/12/2019   06:08:40   (  70.48,  84.76) 01/12/2019   06:07:29  (  70.54,  83.78)   36.99                71
 01/12/2019   06:58:16   ( -70.04,-108.23) 01/12/2019   06:58:04  ( -70.06,-108.16)    3.58                12
 01/12/2019   07:47:42   (  69.99,  59.33) 01/12/2019   07:48:48  (  69.97,  59.30)    2.48                66
 01/14/2019   22:25:14   (  70.16,-159.82) 01/14/2019   22:24:16  (  70.15,-159.83)    1.62                58
 01/14/2019   23:14:44   ( -70.06,   7.67) 01/14/2019   23:14:58  ( -70.04,   7.65)    2.53                14
 01/15/2019   00:04:22   (  69.34, 174.33) 01/15/2019   00:05:30  (  69.31, 176.04)   67.20                68