Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 4 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)
 04/04/2017   06:57:55   (  70.18,  71.89) 04/04/2017   06:57:27  (  70.17,  71.81)    3.02                28
 04/04/2017   07:47:25   ( -70.06,-120.64) 04/04/2017   07:48:09  ( -70.07,-120.72)    3.06                44
 04/06/2017   22:24:55   ( -70.33,  20.34) 04/06/2017   22:23:42  ( -70.43,  19.87)   20.64                73
 04/06/2017   23:14:24   (  70.11,-172.33) 04/06/2017   23:14:22  (  70.11,-172.34)    0.50                 2
 04/07/2017   00:03:54   ( -70.00,  -4.85) 04/07/2017   00:05:04  ( -70.01,  -4.86)    1.02                70
 04/09/2017   14:41:25   ( -70.21, 136.04) 04/09/2017   14:40:34  ( -70.21, 135.97)    2.55                51
 04/09/2017   15:30:53   (  70.04, -56.55) 04/09/2017   15:31:17  (  70.06, -56.48)    3.34                24
 04/09/2017   16:20:38   ( -69.11, 109.82) 04/09/2017   16:21:44  ( -69.16, 112.15)   92.23                66
 04/12/2017   06:08:09   (  71.06,  85.57) 04/12/2017   06:07:03  (  71.11,  82.97)   93.86                66
 04/12/2017   06:57:54   ( -70.13,-108.18) 04/12/2017   06:57:29  ( -70.16,-108.17)    2.69                25
 04/12/2017   07:47:21   (  70.02,  59.30) 04/12/2017   07:48:12  (  70.01,  59.36)    2.63                51
 04/14/2017   22:24:51   (  70.21,-159.83) 04/14/2017   22:23:41  (  70.22,-159.82)    1.00                70
 04/14/2017   23:14:21   ( -70.11,   7.66) 04/14/2017   23:14:23  ( -70.11,   7.67)    0.54                 2
 04/15/2017   00:03:52   (  69.77, 174.84) 04/15/2017   00:05:03  (  69.80, 175.44)   23.45                71