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   04:43:35   ( -81.15, -31.36) 05/14/2018   04:42:58  ( -81.15, -31.45)    1.69                37
 05/14/2018   05:33:00   (  81.18, 136.75) 05/14/2018   05:33:36  (  81.17, 136.73)    0.72                36
 05/17/2018   00:17:47   ( -81.15,  35.17) 05/17/2018   00:17:17  ( -81.16,  35.25)    1.33                30
 05/17/2018   01:07:12   (  81.18,-156.75) 05/17/2018   01:07:55  (  81.18,-156.60)    2.51                43
 05/19/2018   19:52:00   ( -81.16, 101.66) 05/19/2018   19:51:38  ( -81.15, 101.55)    2.01                22
 05/19/2018   20:41:25   (  81.18, -90.29) 05/19/2018   20:42:16  (  81.18, -90.33)    0.98                51
 05/22/2018   15:26:13   ( -81.16, 168.12) 05/22/2018   15:25:58  ( -81.16, 168.21)    1.60                15
 05/22/2018   16:15:38   (  81.18, -23.86) 05/22/2018   16:16:36  (  81.19, -23.69)    2.88                58
 05/25/2018   11:00:25   ( -81.16,-125.46) 05/25/2018   11:00:18  ( -81.16,-125.52)    1.15                 7