Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 2.  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)
 11/03/2019   04:03:51   (  68.80, 118.10) 11/03/2019   04:04:23  (  68.78, 118.10)    2.04                32
 11/03/2019   04:54:32   ( -68.66, -74.39) 11/03/2019   04:53:53  ( -68.68, -74.40)    2.53                39
 11/05/2019   20:20:16   (  68.81,-126.01) 11/05/2019   20:20:50  (  68.83,-125.96)    3.04                34
 11/05/2019   21:10:57   ( -68.66,  41.50) 11/05/2019   21:10:21  ( -68.67,  41.47)    1.92                36
 11/08/2019   12:36:42   (  68.82, -10.13) 11/08/2019   12:37:19  (  68.81, -10.10)    1.26                37
 11/08/2019   13:27:23   ( -68.66, 157.39) 11/08/2019   13:26:50  ( -68.66, 157.34)    2.13                33
 11/11/2019   04:53:07   (  68.77, 105.82) 11/11/2019   04:53:48  (  68.79, 105.75)    3.57                41
 11/11/2019   05:43:49   ( -68.67, -86.72) 11/11/2019   05:43:18  ( -68.69, -86.73)    3.12                31
 11/13/2019   21:09:34   (  68.83,-138.37) 11/13/2019   21:10:16  (  68.82,-138.33)    2.27                42
 11/13/2019   22:00:15   ( -68.67,  29.16) 11/13/2019   21:59:47  ( -68.67,  29.12)    1.85                28