Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 24.  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)
 10/26/2019   02:24:08   ( -69.85, -38.37) 10/26/2019   02:25:14  ( -69.74, -35.97)   93.12                66
 10/26/2019   03:14:34   (  68.81, 130.41) 10/26/2019   03:14:56  (  68.80, 130.44)    2.33                22
 10/26/2019   04:05:15   ( -68.67, -62.09) 10/26/2019   04:04:26  ( -68.69, -62.06)    2.25                49
 10/28/2019   19:31:00   (  68.82,-113.71) 10/28/2019   19:31:25  (  68.80,-113.68)    3.21                25
 10/28/2019   20:21:41   ( -68.68,  53.80) 10/28/2019   20:20:55  ( -68.69,  53.83)    2.15                46
 10/31/2019   11:47:25   (  68.78,   2.24) 10/31/2019   11:47:54  (  68.79,   2.19)    2.21                29
 10/31/2019   12:38:07   ( -68.68, 169.68) 10/31/2019   12:37:24  ( -68.69, 169.70)    1.42                43
 11/03/2019   04:03:50   (  68.79, 118.11) 11/03/2019   04:04:22  (  68.79, 118.07)    2.08                32
 11/03/2019   04:54:32   ( -68.69, -74.44) 11/03/2019   04:53:52  ( -68.69, -74.42)    0.67                40
 11/05/2019   20:20:16   (  68.81,-126.02) 11/05/2019   20:20:50  (  68.83,-126.00)    2.50                34
 11/05/2019   21:10:58   ( -68.71,  41.44) 11/05/2019   21:10:21  ( -68.68,  41.45)    2.54                37