Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 1.  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)
 09/02/2019   12:55:09   ( -68.82, 165.30) 09/02/2019   12:56:00  ( -68.84, 165.28)    1.77                51
 09/02/2019   13:45:53   (  68.70, -27.22) 09/02/2019   13:45:28  (  68.68, -27.27)    2.51                25
 09/02/2019   14:36:19   ( -67.80, 141.25) 09/02/2019   14:35:11  ( -67.84, 139.36)   79.69                68
 09/05/2019   05:11:35   ( -68.85, -78.85) 09/05/2019   05:12:27  ( -68.84, -78.84)    1.57                52
 09/05/2019   06:02:19   (  68.72,  88.63) 09/05/2019   06:01:54  (  68.73,  88.67)    2.01                25
 09/05/2019   06:52:45   ( -67.82,-102.89) 09/05/2019   06:51:37  ( -67.89,-104.70)   76.11                68
 09/07/2019   21:28:01   ( -68.82,  37.08) 09/07/2019   21:28:55  ( -68.83,  37.03)    1.91                54
 09/07/2019   22:18:45   (  68.70,-155.45) 09/07/2019   22:18:22  (  68.72,-155.46)    2.56                23
 09/07/2019   23:09:13   ( -67.90,  12.89) 09/07/2019   23:08:04  ( -67.94,  11.24)   69.38                69
 09/10/2019   13:44:28   ( -68.85, 152.93) 09/10/2019   13:45:22  ( -68.87, 152.96)    2.22                54
 09/10/2019   14:35:12   (  68.73, -39.60) 09/10/2019   14:34:50  (  68.70, -39.60)    3.02                22
 09/10/2019   15:25:40   ( -67.93, 128.75) 09/10/2019   15:24:31  ( -67.98, 127.17)   66.13                69
 09/13/2019   06:00:54   ( -68.83, -91.16) 09/13/2019   06:01:50  ( -68.84, -91.18)    2.06                56
 09/13/2019   06:51:37   (  68.71,  76.32) 09/13/2019   06:51:16  (  68.73,  76.32)    2.68                21
 09/13/2019   07:42:06   ( -67.96,-115.41) 09/13/2019   07:40:57  ( -68.01,-116.91)   63.09                69