Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2018 5 10.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2018   08:15:22   ( -77.58,-110.50) 05/12/2018   08:14:19  ( -77.55,-110.44)    3.54                63
 05/12/2018   09:04:49   (  77.53,  56.91) 05/12/2018   09:05:18  (  77.52,  56.99)    2.14                29
 05/14/2018   13:49:04   (  77.57, -13.97) 05/14/2018   13:47:55  (  77.57, -13.86)    2.64                69
 05/14/2018   14:38:32   ( -77.54, 153.53) 05/14/2018   14:38:56  ( -77.53, 153.57)    1.06                24
 05/16/2018   19:22:47   ( -77.59,  82.65) 05/16/2018   19:21:34  ( -77.61,  82.62)    2.51                73
 05/16/2018   20:12:13   (  77.57,-109.77) 05/16/2018   20:12:31  (  77.54,-109.79)    3.36                18
 05/19/2018   00:56:23   (  77.84,-179.70) 05/19/2018   00:55:15  (  77.88, 177.86)   57.17                68
 05/19/2018   01:45:56   ( -77.59, -13.14) 05/19/2018   01:46:10  ( -77.56, -13.21)    3.48                14
 05/21/2018   06:30:03   ( -77.99, -82.48) 05/21/2018   06:28:58  ( -78.02, -86.31)   88.73                65
 05/21/2018   07:19:38   (  77.56,  83.33) 05/21/2018   07:19:44  (  77.58,  83.38)    1.95                 6
 05/23/2018   12:53:21   ( -77.58, 179.96) 05/23/2018   12:53:24  ( -77.60, 179.93)    2.18                 3