Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 6 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)
 06/24/2018   06:16:03   ( -81.36, -49.90) 06/24/2018   06:15:27  ( -81.37, -49.88)    0.55                36
 06/24/2018   07:05:29   (  81.37, 117.84) 06/24/2018   07:06:07  (  81.37, 117.85)    0.61                38
 06/27/2018   01:50:19   ( -81.36,  16.53) 06/27/2018   01:49:43  ( -81.37,  16.60)    1.34                36
 06/27/2018   02:39:44   (  81.39,-175.37) 06/27/2018   02:40:22  (  81.38,-175.30)    1.28                38
 06/29/2018   21:24:35   ( -81.38,  83.32) 06/29/2018   21:23:59  ( -81.38,  83.47)    2.58                36
 06/29/2018   22:14:01   (  81.38,-108.99) 06/29/2018   22:14:39  (  81.38,-108.85)    2.35                38
 07/02/2018   16:58:52   ( -81.38, 149.69) 07/02/2018   16:58:17  ( -81.37, 149.54)    2.56                35
 07/02/2018   17:48:18   (  81.38, -42.65) 07/02/2018   17:48:57  (  81.38, -42.81)    2.80                39
 07/05/2018   12:33:08   ( -81.37,-143.97) 07/05/2018   12:32:33  ( -81.37,-144.00)    0.59                35