Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2018 3 18.  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)
 03/19/2018   14:41:25   (  70.18, -43.97) 03/19/2018   14:40:33  (  70.16, -43.96)    2.57                52
 03/19/2018   15:30:55   ( -70.06, 123.50) 03/19/2018   15:31:15  ( -70.07, 123.49)    0.78                20
 03/19/2018   16:20:38   (  69.08, -70.19) 03/19/2018   16:21:43  (  69.10, -67.79)   95.31                65
 03/22/2018   06:57:54   (  70.13,  71.84) 03/22/2018   06:57:29  (  70.14,  71.83)    1.02                25
 03/22/2018   07:47:24   ( -70.02,-120.68) 03/22/2018   07:48:10  ( -70.00,-120.63)    3.24                46
 03/24/2018   22:24:55   ( -70.25,  20.24) 03/24/2018   22:23:42  ( -70.29,  20.05)    8.44                73
 03/24/2018   23:14:23   (  70.08,-172.35) 03/24/2018   23:14:24  (  70.07,-172.30)    2.18                 1
 03/25/2018   00:03:53   ( -69.98,  -4.87) 03/25/2018   00:05:06  ( -69.98,  -4.84)    1.13                73
 03/27/2018   14:41:25   ( -70.15, 135.97) 03/27/2018   14:40:36  ( -70.17, 136.01)    3.14                49
 03/27/2018   15:30:51   (  70.09, -56.47) 03/27/2018   15:31:20  (  70.06, -56.52)    3.38                29
 03/30/2018   06:08:10   (  70.91,  85.35) 03/30/2018   06:07:02  (  70.94,  83.22)   77.52                68
 03/30/2018   06:57:52   ( -70.15,-108.15) 03/30/2018   06:57:31  ( -70.16,-108.20)    2.14                21
 03/30/2018   07:47:19   (  70.04,  59.34) 03/30/2018   07:48:15  (  70.05,  59.27)    3.24                56