Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 9.  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)
 12/12/2017   10:53:42   ( -81.31,-116.07) 12/12/2017   10:54:14  ( -81.30,-116.11)    1.11                32
 12/12/2017   11:44:22   (  81.31,  51.58) 12/12/2017   11:43:40  (  81.31,  51.62)    0.92                42
 12/15/2017   06:28:04   ( -81.31, -49.29) 12/15/2017   06:28:27  ( -81.32, -49.41)    1.96                23
 12/15/2017   07:18:44   (  81.32, 118.31) 12/15/2017   07:17:53  (  81.32, 118.31)    0.32                51
 12/18/2017   02:02:26   ( -81.31,  17.08) 12/18/2017   02:02:40  ( -81.31,  16.88)    3.26                14
 12/18/2017   02:53:06   (  81.32,-175.36) 12/18/2017   02:52:06  (  81.31,-175.42)    1.05                60
 12/20/2017   21:36:49   ( -81.31,  83.43) 12/20/2017   21:36:53  ( -81.32,  83.53)    1.75                 4
 12/20/2017   22:27:28   (  81.32,-108.66) 12/20/2017   22:26:19  (  81.32,-108.79)    2.10                69
 12/23/2017   16:20:32   (  81.31, -18.05) 12/23/2017   16:21:40  (  81.31, -17.87)    3.12                68