Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 5.  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   ( -68.88, -78.88) 09/05/2019   05:12:27  ( -68.86, -78.81)    3.09                51
 09/05/2019   06:02:19   (  68.69,  88.67) 09/05/2019   06:01:55  (  68.71,  88.64)    2.23                24
 09/05/2019   06:52:46   ( -67.85,-102.92) 09/05/2019   06:51:37  ( -67.92,-104.67)   73.57                69
 09/07/2019   21:28:02   ( -68.84,  37.05) 09/07/2019   21:28:55  ( -68.86,  37.07)    1.94                53
 09/07/2019   22:18:46   (  68.72,-155.47) 09/07/2019   22:18:23  (  68.70,-155.49)    1.88                23
 09/07/2019   23:09:13   ( -67.87,  12.93) 09/07/2019   23:08:04  ( -67.97,  11.27)   70.45                69
 09/10/2019   13:44:28   ( -68.87, 152.91) 09/10/2019   13:45:22  ( -68.85, 152.94)    2.06                54
 09/10/2019   14:35:12   (  68.74, -39.62) 09/10/2019   14:34:49  (  68.74, -39.55)    2.67                23
 09/10/2019   15:25:40   ( -67.95, 128.73) 09/10/2019   15:24:31  ( -67.97, 127.14)   66.09                69
 09/13/2019   06:00:54   ( -68.84, -91.17) 09/13/2019   06:01:50  ( -68.84, -91.19)    1.24                56
 09/13/2019   06:51:38   (  68.71,  76.31) 09/13/2019   06:51:17  (  68.73,  76.31)    1.97                21
 09/13/2019   07:42:07   ( -67.97,-115.41) 09/13/2019   07:40:58  ( -68.01,-116.92)   63.02                69
 09/15/2019   22:17:21   ( -68.86,  24.69) 09/15/2019   22:18:17  ( -68.88,  24.74)    3.07                56
 09/15/2019   23:08:05   (  68.74,-167.84) 09/15/2019   23:07:45  (  68.71,-167.83)    3.05                20
 09/15/2019   23:58:34   ( -67.99,   0.44) 09/15/2019   23:57:25  ( -68.05,  -0.99)   60.19                69
 09/18/2019   14:33:48   ( -68.88, 140.55) 09/18/2019   14:34:45  ( -68.86, 140.59)    3.10                57
 09/18/2019   15:24:31   (  68.71, -51.91) 09/18/2019   15:24:13  (  68.69, -51.98)    3.61                18
 09/18/2019   16:15:01   ( -68.07, 116.23) 09/18/2019   16:13:51  ( -68.08, 114.93)   54.24                70