Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 9.  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)
 12/10/2017   13:17:39   ( -81.13,-159.52) 12/10/2017   13:17:19  ( -81.13,-159.42)    1.71                20
 12/10/2017   14:07:04   (  81.16,   8.58) 12/10/2017   14:07:58  (  81.16,   8.58)    0.33                54
 12/13/2017   08:51:54   ( -81.13, -93.06) 12/13/2017   08:51:42  ( -81.13, -93.02)    0.76                12
 12/13/2017   09:41:19   (  81.16,  75.01) 12/13/2017   09:42:21  (  81.15,  74.94)    1.21                62
 12/16/2017   04:26:09   ( -81.13, -26.64) 12/16/2017   04:26:05  ( -81.13, -26.63)    0.33                 4
 12/16/2017   05:15:34   (  81.15, 141.41) 12/16/2017   05:16:44  (  81.15, 141.28)    2.14                70
 12/18/2017   23:10:57   (  81.10,-128.26) 12/18/2017   23:09:48  (  81.10,-128.40)    2.50                69
 12/19/2017   00:00:23   ( -81.13,  39.76) 12/19/2017   00:00:27  ( -81.13,  39.74)    0.59                 4
 12/21/2017   18:45:11   (  81.12, -61.55) 12/21/2017   18:44:10  (  81.11, -61.71)    2.77                61