Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 12 16.  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   05:15:37   (  81.15, 141.27) 12/16/2017   05:16:44  (  81.15, 141.24)    0.62                67
 12/18/2017   23:11:00   (  81.12,-127.96) 12/18/2017   23:09:47  (  81.11,-128.09)    2.28                73
 12/19/2017   00:00:26   ( -81.14,  39.99) 12/19/2017   00:00:26  ( -81.14,  40.00)    0.33                 0
 12/19/2017   00:49:52   (  81.15,-152.28) 12/19/2017   00:51:06  (  81.15,-152.45)    2.79                74
 12/21/2017   18:45:16   (  81.12, -61.55) 12/21/2017   18:44:09  (  81.12, -61.41)    2.36                67
 12/21/2017   19:34:42   ( -81.14, 106.43) 12/21/2017   19:34:49  ( -81.14, 106.34)    1.58                 7
 12/24/2017   14:19:32   (  81.12,   4.83) 12/24/2017   14:18:32  (  81.12,   4.86)    0.62                60
 12/24/2017   15:08:58   ( -81.14, 172.83) 12/24/2017   15:09:12  ( -81.14, 172.66)    2.96                14
 12/27/2017   09:53:48   (  81.11,  71.17) 12/27/2017   09:52:55  (  81.11,  71.12)    0.91                53