Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 11.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2019   02:43:38   ( -68.81, -41.78) 08/12/2019   02:44:17  ( -68.78, -41.83)    3.42                39
 08/12/2019   03:34:22   (  68.71, 125.67) 08/12/2019   03:33:44  (  68.68, 125.68)    3.09                38
 08/14/2019   19:00:04   ( -68.83,  74.08) 08/14/2019   19:00:44  ( -68.81,  74.09)    1.27                40
 08/14/2019   19:50:48   (  68.72,-118.47) 08/14/2019   19:50:11  (  68.71,-118.40)    3.34                37
 08/17/2019   11:16:31   ( -68.85,-170.06) 08/17/2019   11:17:12  ( -68.84,-169.99)    2.63                41
 08/17/2019   12:07:14   (  68.69,  -2.54) 08/17/2019   12:06:40  (  68.68,  -2.56)    1.27                34
 08/20/2019   03:32:57   ( -68.82, -54.13) 08/20/2019   03:33:41  ( -68.82, -54.15)    0.60                44
 08/20/2019   04:23:41   (  68.71, 113.32) 08/20/2019   04:23:08  (  68.71, 113.36)    1.81                33
 08/22/2019   19:49:24   ( -68.84,  61.72) 08/22/2019   19:50:09  ( -68.85,  61.77)    1.97                45
 08/22/2019   20:40:07   (  68.68,-130.76) 08/22/2019   20:39:37  (  68.68,-130.80)    1.73                30