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   ( -81.14,-159.41) 12/10/2017   13:17:19  ( -81.14,-159.30)    1.74                20
 12/10/2017   14:07:05   (  81.14,   8.33) 12/10/2017   14:07:59  (  81.15,   8.33)    0.54                54
 12/13/2017   08:51:54   ( -81.14, -92.95) 12/13/2017   08:51:42  ( -81.14, -92.91)    0.74                12
 12/13/2017   09:41:19   (  81.16,  75.12) 12/13/2017   09:42:21  (  81.16,  75.06)    1.37                62
 12/16/2017   04:26:08   ( -81.14, -26.53) 12/16/2017   04:26:04  ( -81.14, -26.53)    0.05                 4
 12/16/2017   05:15:33   (  81.16, 141.52) 12/16/2017   05:16:43  (  81.16, 141.39)    2.28                70
 12/18/2017   23:10:57   (  81.11,-128.15) 12/18/2017   23:09:48  (  81.11,-128.30)    2.64                69
 12/19/2017   00:00:23   ( -81.13,  39.86) 12/19/2017   00:00:27  ( -81.13,  39.84)    0.42                 4
 12/21/2017   18:45:11   (  81.13, -61.45) 12/21/2017   18:44:10  (  81.12, -61.62)    3.11                61