Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 13.  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   06:28:04   ( -81.31, -49.47) 12/15/2017   06:28:27  ( -81.32, -49.37)    1.90                23
 12/15/2017   07:18:44   (  81.32, 118.17) 12/15/2017   07:17:53  (  81.32, 118.30)    2.34                51
 12/18/2017   02:02:27   ( -81.31,  16.90) 12/18/2017   02:02:41  ( -81.32,  17.07)    2.91                14
 12/18/2017   02:53:06   (  81.32,-175.12) 12/18/2017   02:52:07  (  81.32,-175.28)    2.68                59
 12/20/2017   21:36:48   ( -81.32,  83.64) 12/20/2017   21:36:54  ( -81.32,  83.50)    2.29                 6
 12/20/2017   22:27:28   (  81.32,-108.82) 12/20/2017   22:26:20  (  81.32,-108.85)    0.54                68
 12/23/2017   16:20:31   (  81.31, -17.82) 12/23/2017   16:21:41  (  81.32, -17.71)    2.18                70
 12/23/2017   17:11:11   ( -81.31, 149.97) 12/23/2017   17:11:08  ( -81.32, 149.95)    0.57                 3
 12/26/2017   11:54:54   (  81.31,  48.45) 12/26/2017   11:55:56  (  81.30,  48.36)    1.72                62