Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 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)
 02/04/2017   14:41:56   ( -70.15, 136.00) 02/04/2017   14:41:06  ( -70.14, 135.97)    1.02                50
 02/04/2017   15:31:24   (  69.99, -56.58) 02/04/2017   15:31:50  (  70.01, -56.52)    3.25                26
 02/04/2017   16:21:09   ( -69.05, 109.79) 02/04/2017   16:22:15  ( -69.04, 112.20)   96.14                66
 02/07/2017   06:08:39   (  71.00,  85.52) 02/07/2017   06:07:32  (  71.02,  83.02)   90.62                67
 02/07/2017   06:58:23   ( -70.12,-108.16) 02/07/2017   06:57:58  ( -70.11,-108.20)    2.09                25
 02/07/2017   07:47:51   (  69.96,  59.26) 02/07/2017   07:48:42  (  69.98,  59.31)    2.55                51
 02/09/2017   22:25:22   (  70.14,-159.88) 02/09/2017   22:24:09  (  70.15,-159.80)    2.96                73
 02/09/2017   23:14:51   ( -70.09,   7.68) 02/09/2017   23:14:51  ( -70.07,   7.63)    2.47                 0
 02/10/2017   00:04:21   (  69.81, 174.94) 02/10/2017   00:05:33  (  69.84, 175.29)   13.87                72
 02/12/2017   14:41:50   (  70.10, -44.05) 02/12/2017   14:41:02  (  70.12, -43.98)    3.40                48
 02/12/2017   15:31:19   ( -70.05, 123.50) 02/12/2017   15:31:44  ( -70.04, 123.46)    2.06                25
 02/15/2017   06:08:35   ( -71.04, -94.42) 02/15/2017   06:07:28  ( -71.10, -97.10)   97.08                67
 02/15/2017   06:58:17   (  70.11,  71.84) 02/15/2017   06:57:55  (  70.09,  71.84)    1.83                22
 02/15/2017   07:47:47   ( -70.00,-120.68) 02/15/2017   07:48:37  ( -70.01,-120.72)    1.76                50