Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 22.  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)
 10/23/2019   10:07:40   ( -69.73,-154.08) 10/23/2019   10:08:47  ( -69.64,-151.99)   81.38                67
 10/23/2019   10:58:08   (  68.79,  14.55) 10/23/2019   10:58:27  (  68.80,  14.57)    1.63                19
 10/23/2019   11:48:49   ( -68.66,-177.96) 10/23/2019   11:47:58  ( -68.64,-178.00)    2.28                51
 10/26/2019   02:24:08   ( -69.83, -38.34) 10/26/2019   02:25:15  ( -69.70, -36.03)   90.23                67
 10/26/2019   03:14:34   (  68.79, 130.43) 10/26/2019   03:14:56  (  68.81, 130.45)    1.77                22
 10/26/2019   04:05:15   ( -68.65, -62.06) 10/26/2019   04:04:27  ( -68.65, -62.11)    2.03                48
 10/28/2019   19:31:00   (  68.80,-113.68) 10/28/2019   19:31:25  (  68.81,-113.67)    1.64                25
 10/28/2019   20:21:41   ( -68.65,  53.83) 10/28/2019   20:20:56  ( -68.66,  53.77)    2.50                45
 10/31/2019   11:47:25   (  68.80,   2.21) 10/31/2019   11:47:53  (  68.81,   2.21)    1.23                28
 10/31/2019   12:38:06   ( -68.65, 169.73) 10/31/2019   12:37:24  ( -68.66, 169.66)    3.05                42
 11/03/2019   04:03:51   (  68.81, 118.09) 11/03/2019   04:04:22  (  68.81, 118.09)    0.54                31
 11/03/2019   04:54:33   ( -68.71, -74.46) 11/03/2019   04:53:52  ( -68.72, -74.39)    3.13                41