Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 4 19.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2018   16:59:14   (  81.14, -35.25) 04/21/2018   16:58:53  (  81.14, -35.38)    2.30                21
 04/21/2018   17:48:40   ( -81.16, 132.67) 04/21/2018   17:49:32  ( -81.17, 132.69)    0.62                52
 04/24/2018   12:33:27   (  81.15,  31.23) 04/24/2018   12:33:13  (  81.16,  31.40)    3.00                14
 04/24/2018   13:22:53   ( -81.17,-160.82) 04/24/2018   13:23:53  ( -81.17,-160.86)    0.77                60
 04/27/2018   08:07:40   (  81.15,  97.68) 04/27/2018   08:07:34  (  81.15,  97.79)    2.06                 6
 04/27/2018   08:57:06   ( -81.17, -94.35) 04/27/2018   08:58:14  ( -81.17, -94.43)    1.33                68
 04/30/2018   02:52:26   ( -81.14,  -3.57) 04/30/2018   02:51:15  ( -81.14,  -3.63)    1.26                71
 04/30/2018   03:41:51   (  81.17, 164.45) 04/30/2018   03:41:53  (  81.17, 164.54)    1.55                 2
 05/02/2018   22:26:39   ( -81.14,  62.83) 05/02/2018   22:25:36  ( -81.14,  62.77)    0.99                63