Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 6 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)
 06/21/2018   10:41:45   ( -81.38,-116.08) 06/21/2018   10:41:09  ( -81.37,-116.10)    0.65                36
 06/21/2018   11:31:11   (  81.38,  51.68) 06/21/2018   11:31:49  (  81.38,  51.65)    0.78                38
 06/24/2018   06:16:02   ( -81.38, -49.62) 06/24/2018   06:15:26  ( -81.37, -49.61)    0.60                36
 06/24/2018   07:05:28   (  81.38, 118.11) 06/24/2018   07:06:06  (  81.38, 118.11)    0.43                38
 06/27/2018   01:50:19   ( -81.38,  16.82) 06/27/2018   01:49:43  ( -81.37,  16.87)    0.93                36
 06/27/2018   02:39:45   (  81.38,-175.48) 06/27/2018   02:40:23  (  81.38,-175.44)    0.70                38
 06/29/2018   21:24:35   ( -81.38,  83.23) 06/29/2018   21:23:59  ( -81.37,  83.33)    1.75                36
 06/29/2018   22:14:01   (  81.38,-109.10) 06/29/2018   22:14:39  (  81.38,-109.00)    1.57                38
 07/02/2018   16:58:52   ( -81.37, 149.61) 07/02/2018   16:58:16  ( -81.37, 149.78)    2.92                36