Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 12 9.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2017   03:11:52   ( -81.28,  -5.57) 12/12/2017   03:11:49  ( -81.28,  -5.47)    1.74                 3
 12/12/2017   04:01:18   (  81.29, 162.16) 12/12/2017   04:02:29  (  81.29, 162.00)    2.82                71
 12/14/2017   21:56:41   (  81.26,-107.11) 12/14/2017   21:55:30  (  81.26,-107.14)    0.60                71
 12/14/2017   22:46:07   ( -81.28,  60.86) 12/14/2017   22:46:10  ( -81.28,  60.68)    3.14                 3
 12/17/2017   17:30:56   (  81.26, -40.73) 12/17/2017   17:29:51  (  81.26, -40.85)    2.09                65
 12/17/2017   18:20:22   ( -81.28, 127.27) 12/17/2017   18:20:30  ( -81.28, 127.38)    2.06                 8
 12/20/2017   13:05:09   (  81.27,  25.99) 12/20/2017   13:04:10  (  81.27,  25.99)    0.21                59
 12/20/2017   13:54:36   ( -81.28,-166.36) 12/20/2017   13:54:51  ( -81.28,-166.52)    2.56                15
 12/23/2017   08:39:24   (  81.27,  92.30) 12/23/2017   08:38:32  (  81.27,  92.24)    1.13                52