Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 14.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2017   06:28:05   ( -81.31, -49.67) 12/15/2017   06:28:28  ( -81.30, -49.68)    0.62                23
 12/15/2017   07:18:45   (  81.31, 117.98) 12/15/2017   07:17:54  (  81.31, 118.03)    1.12                51
 12/18/2017   02:02:26   ( -81.31,  17.08) 12/18/2017   02:02:40  ( -81.32,  17.02)    1.16                14
 12/18/2017   02:53:06   (  81.32,-175.31) 12/18/2017   02:52:06  (  81.32,-175.28)    0.75                60
 12/20/2017   21:36:49   ( -81.31,  83.43) 12/20/2017   21:36:54  ( -81.31,  83.31)    2.00                 5
 12/20/2017   22:27:29   (  81.32,-109.01) 12/20/2017   22:26:20  (  81.31,-109.00)    0.50                69
 12/23/2017   16:20:32   (  81.31, -18.02) 12/23/2017   16:21:41  (  81.30, -18.04)    0.65                69
 12/23/2017   17:11:11   ( -81.32, 150.15) 12/23/2017   17:11:07  ( -81.32, 149.95)    3.27                 4
 12/26/2017   11:54:53   (  81.31,  48.64) 12/26/2017   11:55:53  (  81.31,  48.56)    1.24                60