Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 9 1.  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)
 09/01/2017   19:28:21   (  81.23, -70.36) 09/01/2017   19:27:14  (  81.22, -70.50)    2.46                67
 09/01/2017   20:17:47   ( -81.25,  97.58) 09/01/2017   20:17:53  ( -81.25,  97.65)    1.16                 6
 09/04/2017   15:02:35   (  81.24,  -3.76) 09/04/2017   15:01:32  (  81.24,  -3.66)    1.67                63
 09/04/2017   15:52:02   ( -81.24, 163.83) 09/04/2017   15:52:13  ( -81.24, 163.73)    1.81                11
 09/07/2017   10:36:51   (  81.23,  62.44) 09/07/2017   10:35:53  (  81.23,  62.40)    0.71                58
 09/07/2017   11:26:17   ( -81.25,-129.57) 09/07/2017   11:26:32  ( -81.25,-129.44)    2.31                15
 09/10/2017   06:11:06   (  81.23, 128.97) 09/10/2017   06:10:13  (  81.23, 128.83)    2.46                53
 09/10/2017   07:00:32   ( -81.25, -63.02) 09/10/2017   07:00:52  ( -81.25, -63.00)    0.36                20
 09/13/2017   01:45:20   (  81.23,-164.53) 09/13/2017   01:44:31  (  81.24,-164.37)    2.75                49