Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 6 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)
 06/21/2018   10:41:45   ( -81.38,-116.08) 06/21/2018   10:41:09  ( -81.37,-116.10)    0.73                36
 06/21/2018   11:31:11   (  81.38,  51.66) 06/21/2018   11:31:49  (  81.38,  51.62)    0.83                38
 06/24/2018   06:16:02   ( -81.38, -49.61) 06/24/2018   06:15:26  ( -81.37, -49.62)    0.67                36
 06/24/2018   07:05:28   (  81.38, 118.10) 06/24/2018   07:06:06  (  81.38, 118.08)    0.55                38
 06/27/2018   01:50:19   ( -81.38,  16.83) 06/27/2018   01:49:43  ( -81.37,  16.85)    0.63                36
 06/27/2018   02:39:45   (  81.38,-175.48) 06/27/2018   02:40:23  (  81.38,-175.48)    0.26                38
 06/29/2018   21:24:35   ( -81.38,  83.25) 06/29/2018   21:23:59  ( -81.37,  83.30)    0.96                36
 06/29/2018   22:14:01   (  81.38,-109.09) 06/29/2018   22:14:39  (  81.38,-109.05)    0.67                38
 07/02/2018   16:58:52   ( -81.37, 149.64) 07/02/2018   16:58:16  ( -81.37, 149.74)    1.69                36