Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 14.  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)
 12/16/2017   04:26:11   ( -81.14, -26.50) 12/16/2017   04:26:04  ( -81.14, -26.37)    2.20                 7
 12/16/2017   05:15:37   (  81.15, 141.24) 12/16/2017   05:16:44  (  81.15, 141.21)    0.66                67
 12/18/2017   23:11:01   (  81.12,-127.99) 12/18/2017   23:09:48  (  81.11,-128.11)    2.15                73
 12/19/2017   00:00:27   ( -81.14,  39.98) 12/19/2017   00:00:27  ( -81.14,  40.00)    0.35                 0
 12/19/2017   00:49:53   (  81.15,-152.31) 12/19/2017   00:51:07  (  81.15,-152.47)    2.69                74
 12/21/2017   18:45:16   (  81.12, -61.58) 12/21/2017   18:44:09  (  81.12, -61.43)    2.51                67
 12/21/2017   19:34:42   ( -81.14, 106.42) 12/21/2017   19:34:49  ( -81.14, 106.34)    1.44                 7
 12/24/2017   14:19:32   (  81.12,   4.81) 12/24/2017   14:18:32  (  81.12,   4.86)    0.83                60
 12/24/2017   15:08:58   ( -81.14, 172.83) 12/24/2017   15:09:12  ( -81.14, 172.67)    2.77                14
 12/27/2017   09:53:48   (  81.11,  71.16) 12/27/2017   09:52:55  (  81.11,  71.13)    0.71                53