Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 3.  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   04:03:50   (  68.78, 118.13) 11/03/2019   04:04:22  (  68.81, 118.12)    2.72                32
 11/03/2019   04:54:32   ( -68.69, -74.43) 11/03/2019   04:53:52  ( -68.70, -74.38)    2.32                40
 11/05/2019   20:20:16   (  68.79,-125.99) 11/05/2019   20:20:51  (  68.80,-126.01)    0.93                35
 11/05/2019   21:10:58   ( -68.69,  41.45) 11/05/2019   21:10:21  ( -68.69,  41.50)    1.76                37
 11/08/2019   12:36:42   (  68.80, -10.11) 11/08/2019   12:37:20  (  68.78, -10.14)    2.43                38
 11/08/2019   13:27:24   ( -68.70, 157.34) 11/08/2019   13:26:50  ( -68.68, 157.37)    2.51                34
 11/11/2019   04:53:08   (  68.81, 105.77) 11/11/2019   04:53:48  (  68.82, 105.79)    0.94                40
 11/11/2019   05:43:49   ( -68.66, -86.71) 11/11/2019   05:43:19  ( -68.66, -86.77)    2.78                30
 11/13/2019   21:09:33   (  68.82,-138.36) 11/13/2019   21:10:15  (  68.85,-138.29)    3.54                42
 11/13/2019   22:00:15   ( -68.72,  29.10) 11/13/2019   21:59:46  ( -68.69,  29.15)    3.27                29
 11/16/2019   13:25:59   (  68.84, -22.48) 11/16/2019   13:26:44  (  68.81, -22.45)    2.87                45
 11/16/2019   14:16:40   ( -68.68, 145.05) 11/16/2019   14:16:15  ( -68.66, 145.00)    2.49                25
 11/16/2019   15:07:05   (  67.59, -46.26) 11/16/2019   15:05:58  (  67.64, -48.57)   97.87                67