Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 5 31.  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)
 06/01/2020   21:03:05   (  69.18,-136.93) 06/01/2020   21:04:16  (  69.09,-136.43)   22.49                71
 06/01/2020   21:53:41   ( -68.82,  30.89) 06/01/2020   21:53:49  ( -68.80,  30.85)    2.13                 8
 06/01/2020   22:44:25   (  68.69,-161.64) 06/01/2020   22:43:16  (  68.70,-161.64)    0.66                69
 06/04/2020   13:19:30   (  69.31, -21.21) 06/04/2020   13:20:41  (  69.21, -20.38)   34.56                71
 06/04/2020   14:10:04   ( -68.84, 146.77) 06/04/2020   14:10:16  ( -68.83, 146.76)    1.49                12
 06/04/2020   15:00:48   (  68.72, -45.77) 06/04/2020   14:59:43  (  68.72, -45.73)    1.34                65
 06/07/2020   05:35:57   (  69.50,  94.43) 06/07/2020   05:37:06  (  69.39,  95.74)   52.63                69
 06/07/2020   06:26:28   ( -68.86, -97.36) 06/07/2020   06:26:44  ( -68.84, -97.34)    2.23                16
 06/07/2020   07:17:12   (  68.75,  70.11) 06/07/2020   07:16:11  (  68.73,  70.17)    3.25                61
 06/09/2020   21:52:23   (  69.64,-149.86) 06/09/2020   21:53:31  (  69.57,-148.14)   67.11                68
 06/09/2020   22:42:51   ( -68.83,  18.59) 06/09/2020   22:43:12  ( -68.86,  18.56)    2.79                21
 06/09/2020   23:33:35   (  68.73,-173.95) 06/09/2020   23:32:39  (  68.74,-173.94)    1.50                56
 06/12/2020   14:08:50   (  69.83, -34.23) 06/12/2020   14:09:57  (  69.68, -32.10)   83.67                67
 06/12/2020   14:59:15   ( -68.86, 134.47) 06/12/2020   14:59:40  ( -68.86, 134.46)    0.65                25
 06/12/2020   15:49:59   (  68.76, -58.08) 06/12/2020   15:49:07  (  68.74, -58.05)    2.30                52