Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 12 14.  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)
 12/14/2019   06:58:42   ( -70.13,-108.12) 12/14/2019   06:57:36  ( -70.12,-108.13)    1.08                66
 12/14/2019   07:48:09   (  70.02,  59.37) 12/14/2019   07:48:20  (  70.00,  59.36)    2.67                11
 12/14/2019   08:37:45   ( -69.58,-133.60) 12/14/2019   08:38:56  ( -69.60,-132.73)   33.89                71
 12/16/2019   23:15:11   ( -70.11,   7.73) 12/16/2019   23:14:29  ( -70.09,   7.68)    3.08                42
 12/17/2019   00:04:39   (  69.95, 175.15) 12/17/2019   00:05:13  (  69.98, 175.17)    3.13                34
 12/19/2019   14:42:00   (  70.74, -43.09) 12/19/2019   14:40:52  (  70.79, -44.97)   69.04                68
 12/19/2019   15:31:41   ( -70.04, 123.51) 12/19/2019   15:31:22  ( -70.07, 123.50)    2.98                19
 12/19/2019   16:21:08   (  69.93, -69.00) 12/19/2019   16:22:06  (  69.95, -69.02)    3.26                58
 12/22/2019   06:58:40   (  70.12,  71.87) 12/22/2019   06:57:33  (  70.14,  71.84)    2.61                67
 12/22/2019   07:48:09   ( -70.02,-120.64) 12/22/2019   07:48:13  ( -69.99,-120.61)    3.21                 4
 12/22/2019   08:37:41   (  69.62,  46.46) 12/22/2019   08:38:52  (  69.62,  47.25)   30.58                71
 12/24/2019   23:15:08   (  70.09,-172.29) 12/24/2019   23:14:24  (  70.07,-172.27)    2.25                44
 12/25/2019   00:04:38   ( -69.99,  -4.80) 12/25/2019   00:05:06  ( -69.97,  -4.80)    2.49                28
 12/27/2019   14:41:56   ( -70.94, 137.21) 12/27/2019   14:40:49  ( -70.99, 134.72)   90.59                67
 12/27/2019   15:31:37   (  70.06, -56.46) 12/27/2019   15:31:17  (  70.05, -56.47)    0.75                20
 12/27/2019   16:21:07   ( -69.96, 111.04) 12/27/2019   16:21:59  ( -69.95, 111.00)    2.09                52