Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 11.  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)
 02/12/2017   14:41:50   (  70.16, -43.98) 02/12/2017   14:41:02  (  70.14, -44.01)    2.45                48
 02/12/2017   15:31:20   ( -70.04, 123.48) 02/12/2017   15:31:43  ( -70.02, 123.49)    2.93                23
 02/15/2017   06:58:19   (  70.13,  71.85) 02/15/2017   06:57:55  (  70.11,  71.81)    2.38                24
 02/15/2017   07:47:49   ( -70.01,-120.68) 02/15/2017   07:48:36  ( -69.98,-120.68)    3.48                47
 02/17/2017   22:25:20   ( -70.25,  20.26) 02/17/2017   22:24:06  ( -70.31,  19.97)   12.68                74
 02/17/2017   23:14:48   (  70.09,-172.33) 02/17/2017   23:14:48  (  70.08,-172.37)    1.79                 0
 02/18/2017   00:04:18   ( -69.98,  -4.85) 02/18/2017   00:05:29  ( -69.95,  -4.85)    3.38                71
 02/20/2017   14:41:50   ( -70.15, 136.00) 02/20/2017   14:40:57  ( -70.17, 135.96)    2.40                53
 02/20/2017   15:31:17   (  70.04, -56.51) 02/20/2017   15:31:41  (  70.05, -56.55)    1.49                24
 02/20/2017   16:21:01   ( -69.17, 109.93) 02/20/2017   16:22:08  ( -69.17, 112.05)   83.61                67
 02/23/2017   06:58:18   ( -70.11,-108.18) 02/23/2017   06:57:48  ( -70.09,-108.14)    3.14                30
 02/23/2017   07:47:45   (  70.00,  59.30) 02/23/2017   07:48:33  (  70.02,  59.27)    3.04                48