Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 26.  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)
 10/28/2019   19:30:59   (  68.78,-113.66) 10/28/2019   19:31:25  (  68.80,-113.66)    1.50                26
 10/28/2019   20:21:41   ( -68.69,  53.78) 10/28/2019   20:20:55  ( -68.69,  53.84)    2.64                46
 10/31/2019   11:47:25   (  68.79,   2.23) 10/31/2019   11:47:54  (  68.82,   2.24)    3.06                29
 10/31/2019   12:38:06   ( -68.64, 169.74) 10/31/2019   12:37:25  ( -68.66, 169.68)    2.99                41
 11/03/2019   04:03:51   (  68.80, 118.11) 11/03/2019   04:04:24  (  68.78, 118.08)    1.72                33
 11/03/2019   04:54:33   ( -68.70, -74.44) 11/03/2019   04:53:54  ( -68.69, -74.41)    2.03                39
 11/05/2019   20:20:16   (  68.80,-126.01) 11/05/2019   20:20:52  (  68.81,-126.00)    0.88                36
 11/05/2019   21:10:58   ( -68.70,  41.44) 11/05/2019   21:10:22  ( -68.72,  41.51)    3.21                36
 11/08/2019   12:36:42   (  68.81, -10.13) 11/08/2019   12:37:22  (  68.79, -10.15)    2.94                40
 11/08/2019   13:27:24   ( -68.71, 157.33) 11/08/2019   13:26:52  ( -68.70, 157.36)    1.99                32