Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2018 1 12.  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)
 01/13/2018   06:29:50   ( -80.92, -60.64) 01/13/2018   06:28:36  ( -81.00, -60.87)    9.60                74
 01/13/2018   07:19:07   (  81.15, 110.31) 01/13/2018   07:19:06  (  81.14, 110.27)    0.90                 1
 01/13/2018   08:08:33   ( -81.16, -81.78) 01/13/2018   08:09:46  ( -81.16, -81.90)    2.15                73
 01/16/2018   02:03:55   ( -81.11,   8.59) 01/16/2018   02:02:49  ( -81.12,   8.64)    1.07                66
 01/16/2018   02:53:20   (  81.14, 176.68) 01/16/2018   02:53:27  (  81.15, 176.81)    2.12                 7
 01/18/2018   21:38:08   ( -81.13,  75.32) 01/18/2018   21:37:11  ( -81.12,  75.18)    2.48                57
 01/18/2018   22:27:34   (  81.14,-116.98) 01/18/2018   22:27:50  (  81.14,-117.05)    1.26                16
 01/21/2018   17:12:22   ( -81.13, 141.65) 01/21/2018   17:11:33  ( -81.13, 141.71)    1.11                49
 01/21/2018   18:01:47   (  81.15, -50.31) 01/21/2018   18:02:11  (  81.15, -50.16)    2.51                24
 01/24/2018   12:46:35   ( -81.12,-152.06) 01/24/2018   12:45:55  ( -81.12,-152.16)    1.73                40