Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 4.  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)
 09/05/2019   05:11:36   ( -68.87, -78.87) 09/05/2019   05:12:27  ( -68.87, -78.81)    2.71                51
 09/05/2019   06:02:19   (  68.69,  88.68) 09/05/2019   06:01:55  (  68.71,  88.64)    2.79                24
 09/05/2019   06:52:46   ( -67.84,-102.92) 09/05/2019   06:51:37  ( -67.92,-104.67)   73.81                69
 09/07/2019   21:28:01   ( -68.84,  37.06) 09/07/2019   21:28:54  ( -68.86,  37.07)    2.28                53
 09/07/2019   22:18:45   (  68.71,-155.46) 09/07/2019   22:18:22  (  68.70,-155.49)    1.78                23
 09/07/2019   23:09:12   ( -67.87,  12.94) 09/07/2019   23:08:04  ( -67.92,  11.21)   72.93                68
 09/10/2019   13:44:28   ( -68.86, 152.91) 09/10/2019   13:45:22  ( -68.84, 152.93)    1.78                54
 09/10/2019   14:35:12   (  68.73, -39.61) 09/10/2019   14:34:49  (  68.74, -39.56)    1.95                23
 09/10/2019   15:25:40   ( -67.94, 128.74) 09/10/2019   15:24:31  ( -67.96, 127.14)   66.84                69
 09/13/2019   06:00:54   ( -68.83, -91.15) 09/13/2019   06:01:50  ( -68.82, -91.21)    2.37                56
 09/13/2019   06:51:38   (  68.70,  76.32) 09/13/2019   06:51:17  (  68.71,  76.29)    1.40                21
 09/13/2019   07:42:07   ( -67.96,-115.40) 09/13/2019   07:40:58  ( -67.99,-116.94)   64.20                69
 09/15/2019   22:17:21   ( -68.85,  24.70) 09/15/2019   22:18:17  ( -68.85,  24.71)    0.41                56
 09/15/2019   23:08:05   (  68.73,-167.83) 09/15/2019   23:07:44  (  68.74,-167.79)    1.67                21
 09/15/2019   23:58:34   ( -67.98,   0.46) 09/15/2019   23:57:24  ( -68.08,  -0.96)   59.84                70