Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 2 11.  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)
 02/13/2019   06:08:30   (  70.74,  85.13) 02/13/2019   06:07:21  (  70.76,  83.45)   61.83                69
 02/13/2019   06:58:10   ( -70.08,-108.21) 02/13/2019   06:57:52  ( -70.09,-108.19)    2.12                18
 02/13/2019   07:47:37   (  69.97,  59.29) 02/13/2019   07:48:36  (  69.97,  59.31)    0.53                59
 02/15/2019   22:25:09   (  70.17,-159.82) 02/15/2019   22:24:04  (  70.18,-159.86)    1.59                65
 02/15/2019   23:14:39   ( -70.06,   7.65) 02/15/2019   23:14:45  ( -70.04,   7.67)    2.17                 6
 02/16/2019   00:04:13   (  69.57, 174.62) 02/16/2019   00:05:23  (  69.60, 175.63)   39.35                70
 02/18/2019   14:41:38   (  70.15, -43.97) 02/18/2019   14:40:57  (  70.13, -44.01)    2.86                41
 02/18/2019   15:31:08   ( -70.04, 123.51) 02/18/2019   15:31:39  ( -70.05, 123.44)    2.68                31
 02/21/2019   06:08:27   ( -70.89, -94.64) 02/21/2019   06:07:19  ( -70.94, -96.84)   80.03                68
 02/21/2019   06:58:07   (  70.08,  71.80) 02/21/2019   06:57:49  (  70.09,  71.83)    1.83                18
 02/21/2019   07:47:37   ( -69.97,-120.72) 02/21/2019   07:48:31  ( -70.00,-120.72)    3.56                54
 02/23/2019   22:25:09   ( -70.16,  20.15) 02/23/2019   22:23:58  ( -70.16,  20.19)    1.39                71
 02/23/2019   23:14:36   (  70.05,-172.36) 02/23/2019   23:14:42  (  70.05,-172.33)    1.29                 6
 02/24/2019   00:04:09   ( -69.78,  -5.11) 02/24/2019   00:05:21  ( -69.80,  -4.64)   18.01                72