Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 7.  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)
 11/08/2019   12:36:42   (  68.82, -10.14) 11/08/2019   12:37:19  (  68.82, -10.09)    2.12                37
 11/08/2019   13:27:23   ( -68.67, 157.38) 11/08/2019   13:26:50  ( -68.67, 157.35)    1.25                33
 11/11/2019   04:53:08   (  68.83, 105.74) 11/11/2019   04:53:48  (  68.81, 105.78)    2.69                40
 11/11/2019   05:43:49   ( -68.68, -86.74) 11/11/2019   05:43:19  ( -68.66, -86.78)    2.78                30
 11/13/2019   21:09:33   (  68.79,-138.32) 11/13/2019   21:10:17  (  68.80,-138.35)    1.65                44
 11/13/2019   22:00:15   ( -68.69,  29.14) 11/13/2019   21:59:47  ( -68.71,  29.17)    1.95                28
 11/16/2019   13:25:58   (  68.81, -22.45) 11/16/2019   13:26:45  (  68.79, -22.48)    2.47                47
 11/16/2019   14:16:40   ( -68.71, 145.01) 11/16/2019   14:16:15  ( -68.70, 145.04)    1.46                25
 11/16/2019   15:07:05   (  67.62, -46.29) 11/16/2019   15:05:58  (  67.68, -48.53)   94.85                67
 11/19/2019   05:42:24   (  68.83,  93.42) 11/19/2019   05:43:13  (  68.84,  93.46)    1.67                49
 11/19/2019   06:33:05   ( -68.67, -99.05) 11/19/2019   06:32:44  ( -68.69, -99.09)    2.76                21
 11/19/2019   07:23:33   (  67.75,  69.45) 11/19/2019   07:22:25  (  67.78,  67.47)   83.35                68