Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 4 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)
 04/20/2018   12:58:06   (  81.31,  27.80) 04/20/2018   12:57:35  (  81.32,  27.96)    2.83                31
 04/20/2018   13:47:32   ( -81.33,-164.29) 04/20/2018   13:48:15  ( -81.33,-164.26)    0.60                43
 04/23/2018   08:32:19   (  81.32,  94.30) 04/23/2018   08:31:53  (  81.32,  94.39)    1.59                26
 04/23/2018   09:21:45   ( -81.33, -97.76) 04/23/2018   09:22:33  ( -81.33, -97.80)    0.74                48
 04/26/2018   04:06:31   (  81.32, 160.76) 04/26/2018   04:06:10  (  81.32, 160.80)    0.83                21
 04/26/2018   04:55:57   ( -81.33, -31.27) 04/26/2018   04:56:50  ( -81.33, -31.37)    1.60                53
 04/28/2018   23:40:44   (  81.32,-132.81) 04/28/2018   23:40:28  (  81.32,-132.80)    0.66                16
 04/29/2018   00:30:10   ( -81.33,  35.18) 04/29/2018   00:31:08  ( -81.33,  35.05)    2.10                58
 05/01/2018   19:14:56   (  81.33, -66.05) 05/01/2018   19:14:45  (  81.33, -66.03)    0.56                11