Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 11 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)
 12/02/2019   15:04:31   (  68.86, -47.14) 12/02/2019   15:05:37  (  68.83, -47.14)    2.72                66
 12/02/2019   15:55:12   ( -68.72, 120.37) 12/02/2019   15:55:07  ( -68.72, 120.35)    0.76                 5
 12/02/2019   16:45:50   (  68.31, -71.79) 12/02/2019   16:44:38  (  68.39, -72.41)   26.85                72
 12/05/2019   07:20:56   (  68.83,  68.79) 12/05/2019   07:22:06  (  68.83,  68.73)    2.40                70
 12/05/2019   08:11:38   ( -68.75,-123.78) 12/05/2019   08:11:36  ( -68.72,-123.77)    3.20                 2
 12/05/2019   09:02:18   (  68.45,  43.93) 12/05/2019   09:01:05  (  68.50,  43.60)   14.31                73
 12/07/2019   23:37:22   (  68.92,-175.43) 12/07/2019   23:38:33  (  68.87,-175.33)    6.20                71
 12/08/2019   00:28:02   ( -68.73,  -7.85) 12/08/2019   00:28:04  ( -68.71,  -7.90)    2.47                 2
 12/08/2019   01:18:44   (  68.53, 159.71) 12/08/2019   01:17:32  (  68.54, 159.54)    7.06                72
 12/10/2019   15:53:49   (  69.00, -59.65) 12/10/2019   15:55:00  (  68.97, -59.33)   13.52                71
 12/10/2019   16:44:28   ( -68.76, 108.00) 12/10/2019   16:44:32  ( -68.75, 108.03)    1.77                 4
 12/10/2019   17:35:11   (  68.62, -84.51) 12/10/2019   17:33:59  (  68.64, -84.46)    2.70                72
 12/13/2019   08:10:16   (  69.09,  56.12) 12/13/2019   08:11:28  (  69.00,  56.60)   21.35                72
 12/13/2019   09:00:53   ( -68.74,-136.08) 12/13/2019   09:01:01  ( -68.73,-136.11)    1.52                 8
 12/13/2019   09:51:36   (  68.60,  31.41) 12/13/2019   09:50:28  (  68.62,  31.39)    1.75                68