Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 5 21.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/22/2018   15:26:12   ( -81.17, 168.24) 05/22/2018   15:25:57  ( -81.17, 168.33)    1.59                15
 05/22/2018   16:15:38   (  81.17, -24.02) 05/22/2018   16:16:36  (  81.18, -23.87)    2.57                58
 05/25/2018   11:00:25   ( -81.17,-125.33) 05/25/2018   11:00:18  ( -81.16,-125.40)    1.32                 7
 05/25/2018   11:49:51   (  81.17,  42.38) 05/25/2018   11:50:57  (  81.18,  42.38)    0.42                66
 05/28/2018   05:45:12   (  81.14, 133.10) 05/28/2018   05:43:59  (  81.14, 133.00)    1.90                73
 05/28/2018   06:34:38   ( -81.16, -58.93) 05/28/2018   06:34:38  ( -81.17, -58.76)    2.96                 0
 05/28/2018   07:24:02   (  81.21, 109.49) 05/28/2018   07:25:16  (  81.19, 109.38)    2.87                74
 05/31/2018   01:19:24   (  81.14,-160.55) 05/31/2018   01:18:18  (  81.14,-160.39)    2.95                66
 05/31/2018   02:08:50   ( -81.16,   7.44) 05/31/2018   02:08:58  ( -81.16,   7.49)    0.91                 8
 06/02/2018   20:53:36   (  81.15, -93.87) 06/02/2018   20:52:38  (  81.15, -93.78)    1.56                58