Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 12 15.  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)
 12/15/2018   19:40:19   ( -81.42, 110.04) 12/15/2018   19:39:45  ( -81.42, 109.96)    1.34                34
 12/15/2018   20:29:45   (  81.43, -82.18) 12/15/2018   20:30:24  (  81.43, -82.14)    0.68                39
 12/18/2018   15:14:32   ( -81.43, 176.72) 12/18/2018   15:13:58  ( -81.43, 176.81)    1.69                34
 12/18/2018   16:03:58   (  81.44, -15.53) 12/18/2018   16:04:38  (  81.43, -15.72)    3.27                40
 12/21/2018   10:48:47   ( -81.43,-117.00) 12/21/2018   10:48:14  ( -81.42,-117.14)    2.41                33
 12/21/2018   11:38:13   (  81.43,  50.72) 12/21/2018   11:38:53  (  81.43,  50.69)    0.53                40
 12/24/2018   06:23:02   ( -81.42, -50.72) 12/24/2018   06:22:29  ( -81.42, -50.71)    0.71                33
 12/24/2018   07:12:28   (  81.42, 116.97) 12/24/2018   07:13:08  (  81.43, 117.09)    2.12                40
 12/27/2018   01:57:15   ( -81.43,  15.95) 12/27/2018   01:56:42  ( -81.43,  16.09)    2.45                33