Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 6.  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)
 02/07/2017   06:08:40   (  70.99,  85.50) 02/07/2017   06:07:33  (  71.03,  82.99)   90.87                67
 02/07/2017   06:58:24   ( -70.11,-108.18) 02/07/2017   06:57:59  ( -70.12,-108.22)    2.42                25
 02/07/2017   07:47:51   (  70.01,  59.32) 02/07/2017   07:48:43  (  69.99,  59.29)    2.36                52
 02/09/2017   22:25:22   (  70.14,-159.89) 02/09/2017   22:24:09  (  70.16,-159.82)    3.39                73
 02/09/2017   23:14:51   ( -70.08,   7.66) 02/09/2017   23:14:51  ( -70.09,   7.61)    2.02                 0
 02/10/2017   00:04:21   (  69.81, 174.93) 02/10/2017   00:05:33  (  69.85, 175.28)   14.00                72
 02/12/2017   14:41:50   (  70.10, -44.06) 02/12/2017   14:41:02  (  70.12, -43.99)    3.37                48
 02/12/2017   15:31:19   ( -70.05, 123.50) 02/12/2017   15:31:44  ( -70.05, 123.44)    2.13                25
 02/15/2017   06:08:35   ( -71.05, -94.41) 02/15/2017   06:07:28  ( -71.11, -97.11)   97.64                67
 02/15/2017   06:58:17   (  70.12,  71.85) 02/15/2017   06:57:55  (  70.09,  71.83)    3.05                22
 02/15/2017   07:47:47   ( -70.01,-120.67) 02/15/2017   07:48:37  ( -70.01,-120.73)    2.27                50
 02/17/2017   22:25:18   ( -70.19,  20.19) 02/17/2017   22:24:05  ( -70.24,  20.08)    6.62                73
 02/17/2017   23:14:45   (  70.08,-172.33) 02/17/2017   23:14:48  (  70.06,-172.34)    1.72                 3
 02/18/2017   00:04:16   ( -69.92,  -4.92) 02/18/2017   00:05:29  ( -69.93,  -4.82)    3.91                73
 02/20/2017   14:41:45   ( -70.15, 136.01) 02/20/2017   14:40:56  ( -70.15, 135.99)    1.05                49
 02/20/2017   15:31:12   (  70.03, -56.51) 02/20/2017   15:31:40  (  70.04, -56.53)    0.79                28