Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 4 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)
 04/04/2017   06:57:56   (  70.13,  71.82) 04/04/2017   06:57:27  (  70.16,  71.83)    3.37                29
 04/04/2017   07:47:25   ( -70.07,-120.62) 04/04/2017   07:48:09  ( -70.06,-120.70)    3.31                44
 04/06/2017   22:24:55   ( -70.34,  20.35) 04/06/2017   22:23:42  ( -70.41,  19.89)   19.36                73
 04/06/2017   23:14:24   (  70.12,-172.32) 04/06/2017   23:14:22  (  70.10,-172.32)    1.64                 2
 04/07/2017   00:03:54   ( -70.01,  -4.84) 04/07/2017   00:05:04  ( -70.00,  -4.84)    1.34                70
 04/09/2017   14:41:25   ( -70.21, 136.05) 04/09/2017   14:40:34  ( -70.20, 135.99)    2.54                51
 04/09/2017   15:30:53   (  70.05, -56.54) 04/09/2017   15:31:17  (  70.05, -56.47)    2.85                24
 04/09/2017   16:20:38   ( -69.11, 109.83) 04/09/2017   16:21:44  ( -69.15, 112.17)   92.45                66
 04/12/2017   06:08:08   (  71.06,  85.57) 04/12/2017   06:07:02  (  71.10,  82.99)   93.25                66
 04/12/2017   06:57:53   ( -70.14,-108.18) 04/12/2017   06:57:28  ( -70.15,-108.16)    1.41                25
 04/12/2017   07:47:20   (  70.02,  59.30) 04/12/2017   07:48:12  (  70.05,  59.30)    3.35                52
 04/14/2017   22:24:51   (  70.21,-159.83) 04/14/2017   22:23:41  (  70.21,-159.80)    1.01                70
 04/14/2017   23:14:21   ( -70.11,   7.66) 04/14/2017   23:14:23  ( -70.09,   7.69)    1.89                 2
 04/15/2017   00:03:52   (  69.77, 174.83) 04/15/2017   00:05:03  (  69.79, 175.46)   24.14                71