Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2018 4 20.  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)
 04/22/2018   12:15:17   (  81.41,  45.60) 04/22/2018   12:15:21  (  81.41,  45.48)    2.07                 4
 04/22/2018   13:05:57   ( -81.41,-146.64) 04/22/2018   13:04:47  ( -81.42,-146.62)    0.78                70
 04/25/2018   07:49:35   (  81.41, 112.02) 04/25/2018   07:49:39  (  81.40, 111.89)    2.30                 4
 04/25/2018   08:40:15   ( -81.41, -80.19) 04/25/2018   08:39:05  ( -81.42, -80.20)    0.76                70
 04/28/2018   03:23:53   (  81.41, 178.43) 04/28/2018   03:23:57  (  81.40, 178.27)    2.86                 4
 04/28/2018   04:14:33   ( -81.41, -13.75) 04/28/2018   04:13:23  ( -81.42, -13.80)    0.96                70
 04/30/2018   22:58:10   (  81.41,-115.17) 04/30/2018   22:58:13  (  81.42,-115.00)    3.03                 3
 04/30/2018   23:48:50   ( -81.41,  52.66) 04/30/2018   23:47:40  ( -81.41,  52.56)    1.65                70
 05/03/2018   18:32:28   (  81.41, -48.79) 05/03/2018   18:32:31  (  81.41, -48.68)    1.82                 3