Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 5 12.  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)
 05/14/2018   04:43:34   ( -81.16, -31.22) 05/14/2018   04:42:57  ( -81.15, -31.30)    1.72                37
 05/14/2018   05:33:00   (  81.16, 136.52) 05/14/2018   05:33:36  (  81.17, 136.49)    0.63                36
 05/17/2018   00:17:47   ( -81.16,  35.31) 05/17/2018   00:17:17  ( -81.16,  35.39)    1.54                30
 05/17/2018   01:07:13   (  81.17,-156.99) 05/17/2018   01:07:56  (  81.17,-156.84)    2.52                43
 05/19/2018   19:52:01   ( -81.14, 101.43) 05/19/2018   19:51:39  ( -81.14, 101.32)    1.88                22
 05/19/2018   20:41:26   (  81.17, -90.53) 05/19/2018   20:42:17  (  81.17, -90.57)    0.78                51
 05/22/2018   15:26:12   ( -81.17, 168.24) 05/22/2018   15:25:57  ( -81.17, 168.35)    1.88                15
 05/22/2018   16:15:38   (  81.17, -24.10) 05/22/2018   16:16:36  (  81.18, -23.93)    3.05                58
 05/25/2018   11:00:25   ( -81.17,-125.34) 05/25/2018   11:00:18  ( -81.16,-125.38)    1.00                 7