Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 12 10.  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   03:11:53   ( -81.28,  -5.55) 12/12/2017   03:11:49  ( -81.28,  -5.57)    0.43                 4
 12/12/2017   04:01:19   (  81.29, 162.20) 12/12/2017   04:02:28  (  81.29, 162.29)    1.50                69
 12/14/2017   21:57:07   (  80.66,-115.47) 12/14/2017   21:55:53  (  80.92,-116.16)   31.11                74
 12/14/2017   22:46:09   ( -81.29,  60.98) 12/14/2017   22:46:08  ( -81.28,  61.01)    0.70                 1
 12/14/2017   23:35:35   (  81.29,-131.29) 12/14/2017   23:36:47  (  81.30,-131.16)    2.10                72
 12/17/2017   17:30:59   (  81.27, -40.50) 12/17/2017   17:29:48  (  81.27, -40.65)    2.67                71
 12/17/2017   18:20:26   ( -81.27, 127.11) 12/17/2017   18:20:28  ( -81.28, 127.18)    1.37                 2
 12/20/2017   13:05:14   (  81.27,  25.95) 12/20/2017   13:04:06  (  81.27,  25.87)    1.48                68
 12/20/2017   13:54:41   ( -81.27,-166.41) 12/20/2017   13:54:46  ( -81.28,-166.27)    2.50                 5
 12/23/2017   08:39:30   (  81.27,  92.37) 12/23/2017   08:38:25  (  81.27,  92.38)    0.29                65