Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 10 20.  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)
 10/20/2018   12:15:21   ( -81.41,-138.80) 10/20/2018   12:14:42  ( -81.41,-138.82)    0.60                39
 10/20/2018   13:04:47   (  81.42,  28.94) 10/20/2018   13:05:22  (  81.41,  28.93)    0.62                35
 10/23/2018   07:49:36   ( -81.41, -72.33) 10/23/2018   07:48:57  ( -81.41, -72.41)    1.50                39
 10/23/2018   08:39:02   (  81.42,  95.38) 10/23/2018   08:39:37  (  81.41,  95.31)    1.36                35
 10/26/2018   03:23:52   ( -81.41,  -5.91) 10/26/2018   03:23:13  ( -81.41,  -6.02)    2.04                39
 10/26/2018   04:13:18   (  81.42, 161.79) 10/26/2018   04:13:53  (  81.41, 161.68)    1.87                35
 10/28/2018   22:58:08   ( -81.41,  60.48) 10/28/2018   22:57:29  ( -81.41,  60.35)    2.14                39
 10/28/2018   23:47:34   (  81.41,-131.84) 10/28/2018   23:48:09  (  81.41,-131.97)    2.04                35
 10/31/2018   18:32:23   ( -81.41, 126.82) 10/31/2018   18:31:44  ( -81.41, 126.71)    1.83                39