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)
 10/26/2019   03:14:33   (  68.78, 130.45) 10/26/2019   03:14:56  (  68.78, 130.43)    0.79                23
 10/26/2019   04:05:14   ( -68.65, -62.05) 10/26/2019   04:04:26  ( -68.67, -62.07)    3.12                48
 10/28/2019   19:30:59   (  68.79,-113.67) 10/28/2019   19:31:25  (  68.80,-113.66)    1.14                26
 10/28/2019   20:21:40   ( -68.65,  53.84) 10/28/2019   20:20:56  ( -68.64,  53.77)    2.79                44
 10/31/2019   11:47:25   (  68.80,   2.21) 10/31/2019   11:47:55  (  68.77,   2.18)    3.34                30
 10/31/2019   12:38:06   ( -68.65, 169.73) 10/31/2019   12:37:25  ( -68.67, 169.69)    2.70                41
 11/03/2019   04:03:51   (  68.81, 118.09) 11/03/2019   04:04:24  (  68.81, 118.10)    0.71                33
 11/03/2019   04:54:32   ( -68.66, -74.39) 11/03/2019   04:53:55  ( -68.65, -74.45)    2.62                37
 11/05/2019   20:20:16   (  68.82,-126.04) 11/05/2019   20:20:53  (  68.79,-126.04)    3.45                37
 11/05/2019   21:10:58   ( -68.72,  41.42) 11/05/2019   21:10:23  ( -68.70,  41.48)    3.46                35
 11/08/2019   12:36:42   (  68.84, -10.16) 11/08/2019   12:37:22  (  68.84, -10.10)    2.77                40
 11/08/2019   13:27:23   ( -68.68, 157.37) 11/08/2019   13:26:53  ( -68.70, 157.35)    1.88                30