Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 29.  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)
 12/30/2017   05:27:59   (  81.12, 137.75) 12/30/2017   05:27:17  (  81.12, 137.60)    2.70                42
 12/30/2017   06:17:25   ( -81.14, -54.33) 12/30/2017   06:17:56  ( -81.15, -54.24)    1.60                31
 01/02/2018   01:02:12   (  81.13,-155.70) 01/02/2018   01:01:38  (  81.13,-155.80)    1.70                34
 01/02/2018   01:51:38   ( -81.15,  12.24) 01/02/2018   01:52:17  ( -81.15,  12.40)    2.78                39
 01/04/2018   20:36:26   (  81.13, -89.20) 01/04/2018   20:36:00  (  81.13, -89.22)    0.34                26
 01/04/2018   21:25:52   ( -81.15,  78.77) 01/04/2018   21:26:40  ( -81.15,  78.64)    2.26                48
 01/07/2018   16:10:40   (  81.14, -22.73) 01/07/2018   16:10:22  (  81.14, -22.65)    1.45                18
 01/07/2018   17:00:06   ( -81.16, 145.26) 01/07/2018   17:01:02  ( -81.16, 145.24)    0.40                56
 01/10/2018   11:44:53   (  81.14,  43.70) 01/10/2018   11:44:44  (  81.13,  43.53)    3.04                 9