Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 30.  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)
 01/01/2018   03:03:38   (  81.31,-178.56) 01/01/2018   03:04:35  (  81.30,-178.72)    2.90                57
 01/01/2018   03:54:18   ( -81.32, -10.78) 01/01/2018   03:54:01  ( -81.32, -10.77)    0.27                17
 01/03/2018   22:38:00   (  81.31,-111.96) 01/03/2018   22:38:50  (  81.31,-112.13)    2.78                50
 01/03/2018   23:28:41   ( -81.32,  55.47) 01/03/2018   23:28:17  ( -81.31,  55.46)    0.75                24
 01/06/2018   18:12:22   (  81.31, -45.77) 01/06/2018   18:13:04  (  81.32, -45.60)    2.90                42
 01/06/2018   19:03:02   ( -81.32, 122.09) 01/06/2018   19:02:31  ( -81.31, 122.01)    1.44                31
 01/09/2018   13:46:44   (  81.31,  20.81) 01/09/2018   13:47:19  (  81.32,  20.86)    0.99                35
 01/09/2018   14:37:25   ( -81.32,-171.70) 01/09/2018   14:36:46  ( -81.32,-171.52)    2.98                39
 01/12/2018   09:21:06   (  81.32,  87.37) 01/12/2018   09:21:34  (  81.32,  87.25)    2.01                28