Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 10 21.  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)
 10/23/2018   07:49:37   ( -81.41, -72.52) 10/23/2018   07:48:58  ( -81.41, -72.60)    1.46                39
 10/23/2018   08:39:03   (  81.41,  95.22) 10/23/2018   08:39:38  (  81.41,  95.12)    1.54                35
 10/26/2018   03:23:52   ( -81.41,  -6.08) 10/26/2018   03:23:13  ( -81.41,  -6.22)    2.39                39
 10/26/2018   04:13:18   (  81.41, 161.63) 10/26/2018   04:13:53  (  81.41, 161.48)    2.46                35
 10/28/2018   22:58:08   ( -81.40,  60.33) 10/28/2018   22:57:29  ( -81.41,  60.14)    3.02                39
 10/28/2018   23:47:34   (  81.41,-131.99) 10/28/2018   23:48:09  (  81.41,-132.17)    3.13                35
 10/31/2018   18:32:24   ( -81.40, 126.69) 10/31/2018   18:31:45  ( -81.40, 126.49)    3.35                39
 10/31/2018   19:21:49   (  81.42, -65.25) 10/31/2018   19:22:23  (  81.42, -65.05)    3.27                34
 11/03/2018   14:06:39   ( -81.41,-166.59) 11/03/2018   14:06:00  ( -81.41,-166.78)    3.22                39