Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2018 4 17.  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)
 04/19/2018   16:40:59   (  81.41, -20.73) 04/19/2018   16:41:03  (  81.41, -20.83)    1.64                 4
 04/19/2018   17:31:40   ( -81.41, 146.64) 04/19/2018   17:30:30  ( -81.40, 146.71)    1.35                70
 04/22/2018   12:15:17   (  81.41,  45.70) 04/22/2018   12:15:21  (  81.41,  45.65)    0.82                 4
 04/22/2018   13:05:58   ( -81.41,-146.90) 04/22/2018   13:04:48  ( -81.41,-146.79)    1.85                70
 04/25/2018   07:49:35   (  81.41, 112.11) 04/25/2018   07:49:39  (  81.41, 112.11)    0.38                 4
 04/25/2018   08:40:16   ( -81.41, -80.47) 04/25/2018   08:39:06  ( -81.41, -80.31)    2.60                70
 04/28/2018   03:23:52   (  81.41, 178.50) 04/28/2018   03:23:56  (  81.41, 178.56)    1.17                 4
 04/28/2018   04:14:32   ( -81.41, -13.65) 04/28/2018   04:13:23  ( -81.41, -13.84)    3.12                69
 04/30/2018   22:58:10   (  81.41,-115.13) 04/30/2018   22:58:14  (  81.41,-115.00)    2.15                 4