Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 5 25.  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  (  68.92,  -8.41)    1.34                69
 05/27/2020   13:20:53   ( -68.78, 159.11) 05/27/2020   13:20:52  ( -68.80, 159.08)    2.41                 1
 05/27/2020   14:11:34   (  68.49, -33.20) 05/27/2020   14:10:21  (  68.59, -33.55)   17.52                73
 05/30/2020   04:46:38   (  69.00, 107.40) 05/30/2020   04:47:50  (  68.95, 107.51)    7.00                72
 05/30/2020   05:37:17   ( -68.80, -85.00) 05/30/2020   05:37:21  ( -68.78, -85.06)    2.97                 4
 05/30/2020   06:28:01   (  68.67,  82.47) 05/30/2020   06:26:48  (  68.68,  82.45)    1.17                73
 06/01/2020   21:03:05   (  69.18,-136.94) 06/01/2020   21:04:16  (  69.09,-136.42)   22.50                71
 06/01/2020   21:53:41   ( -68.81,  30.89) 06/01/2020   21:53:49  ( -68.82,  30.87)    1.37                 8
 06/01/2020   22:44:25   (  68.69,-161.64) 06/01/2020   22:43:16  (  68.71,-161.63)    1.65                69
 06/04/2020   13:19:32   (  69.36, -21.28) 06/04/2020   13:20:42  (  69.24, -20.35)   38.93                70
 06/04/2020   14:10:05   ( -68.83, 146.78) 06/04/2020   14:10:17  ( -68.86, 146.79)    3.23                12
 06/04/2020   15:00:49   (  68.71, -45.76) 06/04/2020   14:59:45  (  68.68, -45.78)    3.41                64
 06/07/2020   05:35:57   (  69.48,  94.45) 06/07/2020   05:37:07  (  69.38,  95.72)   50.97                70
 06/07/2020   06:26:28   ( -68.84, -97.33) 06/07/2020   06:26:45  ( -68.83, -97.35)    1.33                17
 06/07/2020   07:17:12   (  68.73,  70.12) 06/07/2020   07:16:12  (  68.71,  70.14)    2.36                60