Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 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)
 08/30/2019   20:38:42   ( -68.83,  49.40) 08/30/2019   20:39:31  ( -68.86,  49.42)    3.33                49
 08/30/2019   21:29:26   (  68.70,-143.12) 08/30/2019   21:28:59  (  68.71,-143.12)    0.20                27
 08/30/2019   22:19:51   ( -67.75,  25.42) 08/30/2019   22:18:43  ( -67.81,  23.44)   83.78                68
 09/02/2019   12:55:09   ( -68.85, 165.26) 09/02/2019   12:55:59  ( -68.87, 165.32)    3.23                50
 09/02/2019   13:45:53   (  68.73, -27.27) 09/02/2019   13:45:27  (  68.71, -27.23)    2.14                26
 09/02/2019   14:36:19   ( -67.83, 141.21) 09/02/2019   14:35:10  ( -67.87, 139.40)   76.36                69
 09/05/2019   05:11:35   ( -68.83, -78.82) 09/05/2019   05:12:28  ( -68.83, -78.85)    1.48                53
 09/05/2019   06:02:19   (  68.70,  88.66) 09/05/2019   06:01:55  (  68.72,  88.66)    2.41                24
 09/05/2019   06:52:46   ( -67.85,-102.93) 09/05/2019   06:51:37  ( -67.94,-104.64)   72.35                69
 09/07/2019   21:28:02   ( -68.85,  37.03) 09/07/2019   21:28:56  ( -68.84,  37.04)    1.23                54
 09/07/2019   22:18:46   (  68.73,-155.49) 09/07/2019   22:18:23  (  68.73,-155.45)    1.81                23
 09/07/2019   23:09:14   ( -67.93,  12.86) 09/07/2019   23:08:05  ( -67.96,  11.25)   67.07                69
 09/10/2019   13:44:27   ( -68.83, 152.96) 09/10/2019   13:45:23  ( -68.85, 152.94)    3.07                56
 09/10/2019   14:35:11   (  68.71, -39.57) 09/10/2019   14:34:51  (  68.69, -39.63)    3.17                20
 09/10/2019   15:25:40   ( -67.96, 128.71) 09/10/2019   15:24:31  ( -68.02, 127.21)   62.80                69