Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 7 19.  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)
 07/21/2017   14:43:51   ( -81.21,-179.56) 07/21/2017   14:42:54  ( -81.21,-179.62)    1.04                57
 07/21/2017   15:33:16   (  81.24, -11.44) 07/21/2017   15:33:32  (  81.24, -11.30)    2.38                16
 07/24/2017   10:18:07   ( -81.23,-112.85) 07/24/2017   10:17:14  ( -81.22,-112.92)    1.37                53
 07/24/2017   11:07:33   (  81.23,  54.86) 07/24/2017   11:07:53  (  81.23,  54.97)    1.89                20
 07/27/2017   05:52:23   ( -81.22, -46.55) 07/27/2017   05:51:34  ( -81.22, -46.62)    1.24                49
 07/27/2017   06:41:48   (  81.24, 121.51) 07/27/2017   06:42:12  (  81.24, 121.61)    1.73                24
 07/30/2017   01:26:40   ( -81.21,  19.72) 07/30/2017   01:25:55  ( -81.21,  19.66)    1.14                45
 07/30/2017   02:16:05   (  81.23,-172.25) 07/30/2017   02:16:33  (  81.24,-172.15)    1.76                28
 08/01/2017   21:00:56   ( -81.22,  86.34) 08/01/2017   21:00:15  ( -81.22,  86.31)    0.45                41