Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 4 18.  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   12:58:05   (  81.32,  27.98) 04/20/2018   12:57:34  (  81.32,  28.15)    2.76                31
 04/20/2018   13:47:31   ( -81.34,-164.10) 04/20/2018   13:48:14  ( -81.33,-164.06)    0.61                43
 04/23/2018   08:32:18   (  81.33,  94.49) 04/23/2018   08:31:52  (  81.33,  94.58)    1.49                26
 04/23/2018   09:21:44   ( -81.34, -97.56) 04/23/2018   09:22:32  ( -81.33, -97.61)    1.04                48
 04/26/2018   04:06:31   (  81.33, 160.95) 04/26/2018   04:06:10  (  81.33, 160.99)    0.63                21
 04/26/2018   04:55:58   ( -81.32, -31.45) 04/26/2018   04:56:51  ( -81.33, -31.56)    1.82                53
 04/28/2018   23:40:44   (  81.33,-132.62) 04/28/2018   23:40:28  (  81.33,-132.61)    0.16                16
 04/29/2018   00:30:10   ( -81.33,  35.00) 04/29/2018   00:31:08  ( -81.33,  34.86)    2.36                58
 05/01/2018   19:14:56   (  81.32, -66.22) 05/01/2018   19:14:45  (  81.32, -66.22)    0.12                11