Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 31.  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,-178.59) 01/01/2018   03:04:35  (  81.30,-178.74)    2.62                57
 01/01/2018   03:54:18   ( -81.32, -10.82) 01/01/2018   03:54:01  ( -81.32, -10.78)    0.82                17
 01/03/2018   22:38:00   (  81.31,-112.00) 01/03/2018   22:38:50  (  81.31,-112.08)    1.39                50
 01/03/2018   23:28:41   ( -81.32,  55.42) 01/03/2018   23:28:17  ( -81.31,  55.51)    1.63                24
 01/06/2018   18:12:22   (  81.31, -45.82) 01/06/2018   18:13:05  (  81.30, -45.84)    0.90                43
 01/06/2018   19:03:02   ( -81.32, 122.03) 01/06/2018   19:02:31  ( -81.32, 122.14)    2.06                31
 01/09/2018   13:46:44   (  81.31,  20.73) 01/09/2018   13:47:20  (  81.31,  20.74)    0.16                36
 01/09/2018   14:37:25   ( -81.32,-171.78) 01/09/2018   14:36:47  ( -81.31,-171.64)    2.38                38
 01/12/2018   09:21:06   (  81.32,  87.27) 01/12/2018   09:21:35  (  81.32,  87.29)    0.40                29