Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 5 27.  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)
 05/27/2020   12:30:13   (  68.93,  -8.41) 05/27/2020   12:31:22  (  68.91,  -8.42)    1.90                69
 05/27/2020   13:20:53   ( -68.79, 159.11) 05/27/2020   13:20:52  ( -68.80, 159.07)    1.72                 1
 05/27/2020   14:11:34   (  68.50, -33.20) 05/27/2020   14:10:21  (  68.58, -33.55)   17.24                73
 05/30/2020   04:46:38   (  69.01, 107.40) 05/30/2020   04:47:49  (  69.00, 107.57)    7.02                71
 05/30/2020   05:37:17   ( -68.81, -85.01) 05/30/2020   05:37:20  ( -68.83, -85.01)    2.42                 3
 05/30/2020   06:28:01   (  68.68,  82.47) 05/30/2020   06:26:48  (  68.67,  82.43)    2.04                73
 06/01/2020   21:03:05   (  69.19,-136.95) 06/01/2020   21:04:16  (  69.08,-136.44)   23.64                71
 06/01/2020   21:53:41   ( -68.82,  30.87) 06/01/2020   21:53:49  ( -68.80,  30.84)    2.99                 8
 06/01/2020   22:44:25   (  68.70,-161.65) 06/01/2020   22:43:16  (  68.69,-161.65)    1.47                69
 06/04/2020   13:19:31   (  69.32, -21.23) 06/04/2020   13:20:42  (  69.21, -20.39)   35.25                71
 06/04/2020   14:10:05   ( -68.84, 146.76) 06/04/2020   14:10:17  ( -68.83, 146.75)    2.11                12
 06/04/2020   15:00:49   (  68.73, -45.78) 06/04/2020   14:59:44  (  68.71, -45.74)    2.44                65
 06/07/2020   05:35:57   (  69.51,  94.42) 06/07/2020   05:37:06  (  69.39,  95.74)   53.07                69
 06/07/2020   06:26:28   ( -68.87, -97.36) 06/07/2020   06:26:44  ( -68.85, -97.34)    2.34                16
 06/07/2020   07:17:11   (  68.70,  70.17) 06/07/2020   07:16:11  (  68.73,  70.16)    2.92                60
 06/09/2020   21:52:23   (  69.64,-149.87) 06/09/2020   21:53:31  (  69.57,-148.14)   67.42                68
 06/09/2020   22:42:51   ( -68.83,  18.59) 06/09/2020   22:43:12  ( -68.86,  18.57)    3.32                21
 06/09/2020   23:33:35   (  68.73,-173.96) 06/09/2020   23:32:39  (  68.74,-173.94)    1.54                56