Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 25.  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)
 12/27/2017   09:53:44   (  81.12,  71.34) 12/27/2017   09:52:54  (  81.12,  71.15)    3.27                50
 12/27/2017   10:43:10   ( -81.14,-120.73) 12/27/2017   10:43:33  ( -81.14,-120.70)    0.60                23
 12/30/2017   05:27:58   (  81.13, 137.91) 12/30/2017   05:27:16  (  81.12, 137.77)    2.52                42
 12/30/2017   06:17:24   ( -81.15, -54.14) 12/30/2017   06:17:55  ( -81.15, -54.04)    1.64                31
 01/02/2018   01:02:12   (  81.14,-155.57) 01/02/2018   01:01:38  (  81.13,-155.63)    1.30                34
 01/02/2018   01:51:38   ( -81.16,  12.41) 01/02/2018   01:52:17  ( -81.16,  12.60)    3.18                39
 01/04/2018   20:36:26   (  81.14, -89.08) 01/04/2018   20:36:00  (  81.14, -89.04)    0.78                26
 01/04/2018   21:25:52   ( -81.14,  78.55) 01/04/2018   21:26:40  ( -81.14,  78.46)    1.55                48
 01/07/2018   16:10:39   (  81.14, -22.64) 01/07/2018   16:10:21  (  81.14, -22.47)    2.94                18