Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 5 29.  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)
 05/30/2020   04:46:38   (  69.00, 107.40) 05/30/2020   04:47:49  (  69.00, 107.57)    6.85                71
 05/30/2020   05:37:17   ( -68.80, -85.01) 05/30/2020   05:37:20  ( -68.83, -85.01)    2.35                 3
 05/30/2020   06:28:01   (  68.68,  82.47) 05/30/2020   06:26:48  (  68.67,  82.44)    1.77                73
 06/01/2020   21:03:05   (  69.19,-136.94) 06/01/2020   21:04:16  (  69.07,-136.45)   23.41                71
 06/01/2020   21:53:41   ( -68.82,  30.88) 06/01/2020   21:53:48  ( -68.85,  30.90)    2.97                 7
 06/01/2020   22:44:25   (  68.70,-161.65) 06/01/2020   22:43:16  (  68.69,-161.66)    1.64                69
 06/04/2020   13:19:31   (  69.32, -21.22) 06/04/2020   13:20:42  (  69.20, -20.40)   35.00                71
 06/04/2020   14:10:05   ( -68.84, 146.76) 06/04/2020   14:10:16  ( -68.87, 146.81)    3.08                11
 06/04/2020   15:00:48   (  68.73, -45.77) 06/04/2020   14:59:43  (  68.70, -45.76)    3.20                65
 06/07/2020   05:35:56   (  69.45,  94.50) 06/07/2020   05:37:06  (  69.37,  95.71)   48.27                70
 06/07/2020   06:26:28   ( -68.87, -97.36) 06/07/2020   06:26:43  ( -68.88, -97.30)    2.85                15
 06/07/2020   07:17:11   (  68.70,  70.17) 06/07/2020   07:16:11  (  68.70,  70.14)    1.51                60
 06/09/2020   21:52:23   (  69.64,-149.86) 06/09/2020   21:53:31  (  69.53,-148.18)   66.25                68
 06/09/2020   22:42:51   ( -68.83,  18.59) 06/09/2020   22:43:12  ( -68.82,  18.52)    2.94                21
 06/09/2020   23:33:35   (  68.73,-173.96) 06/09/2020   23:32:39  (  68.70,-173.98)    2.84                56