Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 5 30.  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, 107.41) 05/30/2020   04:47:50  (  68.95, 107.51)    6.60                72
 05/30/2020   05:37:17   ( -68.80, -85.00) 05/30/2020   05:37:20  ( -68.83, -85.00)    3.52                 3
 05/30/2020   06:28:01   (  68.67,  82.48) 05/30/2020   06:26:48  (  68.67,  82.44)    1.48                73
 06/01/2020   21:03:05   (  69.18,-136.94) 06/01/2020   21:04:16  (  69.08,-136.44)   22.68                71
 06/01/2020   21:53:41   ( -68.82,  30.88) 06/01/2020   21:53:49  ( -68.80,  30.84)    2.67                 8
 06/01/2020   22:44:25   (  68.69,-161.64) 06/01/2020   22:43:16  (  68.69,-161.65)    0.23                69
 06/04/2020   13:19:30   (  69.31, -21.21) 06/04/2020   13:20:41  (  69.21, -20.39)   34.48                71
 06/04/2020   14:10:04   ( -68.84, 146.77) 06/04/2020   14:10:16  ( -68.82, 146.75)    2.32                12
 06/04/2020   15:00:48   (  68.72, -45.77) 06/04/2020   14:59:43  (  68.71, -45.74)    1.61                65
 06/07/2020   05:35:57   (  69.50,  94.43) 06/07/2020   05:37:06  (  69.38,  95.73)   52.21                69
 06/07/2020   06:26:28   ( -68.86, -97.35) 06/07/2020   06:26:44  ( -68.83, -97.35)    3.11                16
 06/07/2020   07:17:11   (  68.69,  70.18) 06/07/2020   07:16:11  (  68.72,  70.15)    2.85                60
 06/09/2020   21:52:23   (  69.63,-149.85) 06/09/2020   21:53:31  (  69.55,-148.16)   66.21                68
 06/09/2020   22:42:51   ( -68.83,  18.60) 06/09/2020   22:43:12  ( -68.84,  18.54)    2.57                21
 06/09/2020   23:33:35   (  68.72,-173.95) 06/09/2020   23:32:39  (  68.72,-173.96)    0.55                56
 06/12/2020   14:08:49   (  69.77, -34.14) 06/12/2020   14:09:57  (  69.66, -32.13)   78.55                68
 06/12/2020   14:59:15   ( -68.85, 134.48) 06/12/2020   14:59:40  ( -68.84, 134.43)    2.35                25
 06/12/2020   15:49:59   (  68.75, -58.08) 06/12/2020   15:49:07  (  68.72, -58.08)    3.69                52