Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 1 26.  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)
 01/27/2017   14:41:58   (  70.14, -44.01) 01/27/2017   14:41:11  (  70.14, -44.03)    1.10                47
 01/27/2017   15:31:28   ( -70.03, 123.47) 01/27/2017   15:31:53  ( -70.05, 123.42)    2.91                25
 01/30/2017   06:08:44   ( -71.05, -94.40) 01/30/2017   06:07:37  ( -71.10, -97.12)   98.00                67
 01/30/2017   06:58:27   (  70.07,  71.78) 01/30/2017   06:58:04  (  70.09,  71.82)    2.40                23
 01/30/2017   07:47:56   ( -70.02,-120.66) 01/30/2017   07:48:46  ( -70.00,-120.74)    3.37                50
 02/01/2017   22:25:27   ( -70.22,  20.23) 02/01/2017   22:24:14  ( -70.21,  20.09)    5.18                73
 02/01/2017   23:14:55   (  70.05,-172.37) 02/01/2017   23:14:57  (  70.05,-172.34)    1.29                 2
 02/02/2017   00:04:25   ( -69.95,  -4.88) 02/02/2017   00:05:38  ( -69.91,  -4.81)    5.54                73
 02/04/2017   14:41:56   ( -70.15, 136.00) 02/04/2017   14:41:06  ( -70.12, 136.01)    3.00                50
 02/04/2017   15:31:23   (  70.03, -56.52) 02/04/2017   15:31:50  (  70.00, -56.51)    2.87                27
 02/07/2017   06:08:39   (  70.98,  85.50) 02/07/2017   06:07:32  (  71.01,  83.04)   89.30                67
 02/07/2017   06:58:23   ( -70.12,-108.16) 02/07/2017   06:57:59  ( -70.13,-108.23)    3.09                24
 02/07/2017   07:47:50   (  70.00,  59.32) 02/07/2017   07:48:43  (  70.02,  59.25)    3.33                53