Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 10 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)
 10/21/2018   13:48:15   (  81.17,  13.58) 10/21/2018   13:47:49  (  81.17,  13.42)    2.71                26
 10/21/2018   14:37:41   ( -81.19,-178.46) 10/21/2018   14:38:28  ( -81.19,-178.46)    0.35                47
 10/24/2018   09:22:30   (  81.17,  80.02) 10/24/2018   09:22:09  (  81.18,  80.06)    1.01                21
 10/24/2018   10:11:56   ( -81.19,-112.00) 10/24/2018   10:12:48  ( -81.20,-111.83)    2.99                52
 10/27/2018   04:56:45   (  81.19, 146.80) 10/27/2018   04:56:30  (  81.18, 146.69)    2.04                15
 10/27/2018   05:46:12   ( -81.19, -45.57) 10/27/2018   05:47:10  ( -81.19, -45.59)    0.54                58
 10/30/2018   00:31:01   (  81.19,-146.83) 10/30/2018   00:30:51  (  81.19,-146.70)    2.23                10
 10/30/2018   01:20:28   ( -81.19,  20.82) 10/30/2018   01:21:32  ( -81.19,  20.63)    3.26                64
 11/01/2018   20:05:16   (  81.18, -80.49) 11/01/2018   20:05:12  (  81.18, -80.49)    0.25                 4