Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 2 28.  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)
 02/29/2020   01:47:55   (  69.84, 150.76) 02/29/2020   01:49:01  (  69.74, 153.11)   91.31                66
 02/29/2020   02:38:19   ( -68.80, -40.45) 02/29/2020   02:38:46  ( -68.80, -40.49)    1.70                27
 02/29/2020   03:29:02   (  68.66, 127.05) 02/29/2020   03:28:13  (  68.69, 127.02)    2.93                49
 03/02/2020   18:54:44   ( -68.82,  75.43) 03/02/2020   18:55:15  ( -68.84,  75.44)    2.11                31
 03/02/2020   19:45:27   (  68.69,-117.08) 03/02/2020   19:44:43  (  68.67,-117.12)    2.79                44
 03/05/2020   11:11:09   ( -68.84,-168.70) 03/05/2020   11:11:44  ( -68.86,-168.65)    3.05                35
 03/05/2020   12:01:52   (  68.72,  -1.22) 03/05/2020   12:01:12  (  68.69,  -1.22)    3.19                40
 03/08/2020   03:27:33   ( -68.87, -52.82) 03/08/2020   03:28:12  ( -68.87, -52.76)    2.67                39
 03/08/2020   04:18:15   (  68.69, 114.72) 03/08/2020   04:17:40  (  68.69, 114.66)    2.40                35
 03/10/2020   19:43:57   ( -68.84,  63.12) 03/10/2020   19:44:41  ( -68.86,  63.11)    2.04                44
 03/10/2020   20:34:40   (  68.72,-129.42) 03/10/2020   20:34:08  (  68.73,-129.41)    0.71                32