Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2017 4 18.  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)
 04/21/2017   16:57:54   (  81.33, -26.99) 04/21/2017   16:58:49  (  81.33, -26.88)    1.85                55
 04/21/2017   17:48:34   ( -81.34, 140.81) 04/21/2017   17:48:16  ( -81.33, 140.69)    2.25                18
 04/24/2017   12:32:15   (  81.33,  39.71) 04/24/2017   12:33:05  (  81.34,  39.67)    0.73                50
 04/24/2017   13:22:56   ( -81.34,-152.86) 04/24/2017   13:22:32  ( -81.33,-152.74)    1.98                24
 04/27/2017   08:06:37   (  81.33, 106.00) 04/27/2017   08:07:21  (  81.34, 106.20)    3.36                44
 04/27/2017   08:57:17   ( -81.34, -86.16) 04/27/2017   08:56:48  ( -81.34, -86.21)    0.85                29
 04/30/2017   03:40:58   (  81.33, 172.29) 04/30/2017   03:41:37  (  81.33, 172.31)    0.79                39
 04/30/2017   04:31:38   ( -81.34, -19.87) 04/30/2017   04:31:03  ( -81.34, -19.71)    2.77                35