Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2018 4 27.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2018   03:23:53   (  81.41, 178.50) 04/28/2018   03:23:56  (  81.42, 178.63)    2.27                 3
 04/28/2018   04:14:32   ( -81.41, -13.75) 04/28/2018   04:13:22  ( -81.42, -13.81)    1.12                70
 04/30/2018   22:58:10   (  81.41,-115.11) 04/30/2018   22:58:13  (  81.42,-115.00)    1.93                 3
 04/30/2018   23:48:50   ( -81.41,  52.66) 04/30/2018   23:47:40  ( -81.42,  52.58)    1.31                70
 05/03/2018   18:32:28   (  81.41, -48.75) 05/03/2018   18:32:31  (  81.41, -48.64)    1.80                 3
 05/03/2018   19:23:08   ( -81.41, 119.05) 05/03/2018   19:21:58  ( -81.41, 118.97)    1.30                70
 05/06/2018   14:06:46   (  81.41,  17.60) 05/06/2018   14:06:49  (  81.41,  17.72)    1.92                 3
 05/06/2018   14:57:26   ( -81.41,-174.59) 05/06/2018   14:56:16  ( -81.41,-174.66)    1.11                70
 05/09/2018   09:41:03   (  81.41,  83.94) 05/09/2018   09:41:06  (  81.41,  84.07)    2.30                 3