Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 12 11.  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   03:11:54   ( -81.28,  -5.68) 12/12/2017   03:11:50  ( -81.28,  -5.69)    0.25                 4
 12/12/2017   04:01:20   (  81.28, 162.08) 12/12/2017   04:02:29  (  81.29, 162.17)    1.69                69
 12/14/2017   21:57:04   (  80.73,-114.61) 12/14/2017   21:55:50  (  80.97,-115.19)   27.69                74
 12/14/2017   22:46:09   ( -81.28,  60.83) 12/14/2017   22:46:08  ( -81.28,  60.88)    0.93                 1
 12/14/2017   23:35:35   (  81.29,-131.44) 12/14/2017   23:36:47  (  81.29,-131.28)    2.73                72
 12/17/2017   17:30:59   (  81.26, -40.70) 12/17/2017   17:29:48  (  81.26, -40.77)    1.19                71
 12/17/2017   18:20:25   ( -81.28, 127.28) 12/17/2017   18:20:27  ( -81.28, 127.44)    2.74                 2
 12/20/2017   13:05:15   (  81.26,  25.67) 12/20/2017   13:04:07  (  81.27,  25.75)    1.48                68
 12/20/2017   13:54:41   ( -81.28,-166.32) 12/20/2017   13:54:47  ( -81.28,-166.40)    1.38                 6
 12/23/2017   08:39:29   (  81.27,  92.37) 12/23/2017   08:38:25  (  81.27,  92.25)    2.11                64