Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2017 12 29.  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)
 12/29/2017   07:29:16   (  81.31, 114.99) 12/29/2017   07:30:19  (  81.32, 115.13)    2.52                63
 12/29/2017   08:19:56   ( -81.32, -77.26) 12/29/2017   08:19:46  ( -81.31, -77.32)    1.01                10
 01/01/2018   03:03:37   (  81.31,-178.40) 01/01/2018   03:04:34  (  81.31,-178.59)    3.27                57
 01/01/2018   03:54:17   ( -81.32, -10.61) 01/01/2018   03:54:00  ( -81.33, -10.64)    0.90                17
 01/03/2018   22:37:59   (  81.32,-111.80) 01/03/2018   22:38:49  (  81.32,-111.98)    3.12                50
 01/03/2018   23:28:40   ( -81.32,  55.63) 01/03/2018   23:28:16  ( -81.32,  55.61)    0.53                24
 01/06/2018   18:12:22   (  81.31, -45.61) 01/06/2018   18:13:04  (  81.32, -45.44)    3.19                42
 01/06/2018   19:03:02   ( -81.32, 122.25) 01/06/2018   19:02:31  ( -81.32, 122.17)    1.32                31
 01/09/2018   13:46:44   (  81.31,  20.56) 01/09/2018   13:47:19  (  81.31,  20.68)    2.00                35