Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 24.  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)
 08/25/2019   12:05:50   ( -68.83, 177.63) 08/25/2019   12:06:36  ( -68.85, 177.65)    2.08                46
 08/25/2019   12:56:34   (  68.71, -14.90) 08/25/2019   12:56:04  (  68.69, -14.91)    2.03                30
 08/25/2019   13:46:57   ( -67.64, 153.78) 08/25/2019   13:45:50  ( -67.68, 151.53)   95.07                67
 08/28/2019   04:22:17   ( -68.85, -66.51) 08/28/2019   04:23:04  ( -68.86, -66.46)    2.43                47
 08/28/2019   05:13:00   (  68.67, 101.03) 08/28/2019   05:12:32  (  68.70, 100.98)    3.28                28
 08/28/2019   06:03:24   ( -67.66, -90.36) 08/28/2019   06:02:17  ( -67.75, -92.51)   91.26                67
 08/30/2019   20:38:42   ( -68.82,  49.42) 08/30/2019   20:39:32  ( -68.81,  49.36)    2.27                50
 08/30/2019   21:29:26   (  68.70,-143.11) 08/30/2019   21:28:59  (  68.70,-143.13)    1.17                27
 08/30/2019   22:19:51   ( -67.74,  25.43) 08/30/2019   22:18:43  ( -67.81,  23.44)   84.22                68
 09/02/2019   12:55:09   ( -68.84, 165.28) 09/02/2019   12:56:00  ( -68.82, 165.25)    2.56                51
 09/02/2019   13:45:53   (  68.72, -27.25) 09/02/2019   13:45:27  (  68.70, -27.25)    1.42                26
 09/02/2019   14:36:19   ( -67.81, 141.23) 09/02/2019   14:35:11  ( -67.82, 139.33)   79.77                68
 09/05/2019   05:11:36   ( -68.86, -78.87) 09/05/2019   05:12:27  ( -68.87, -78.80)    3.10                51
 09/05/2019   06:02:19   (  68.69,  88.67) 09/05/2019   06:01:55  (  68.70,  88.63)    2.42                24
 09/05/2019   06:52:46   ( -67.83,-102.91) 09/05/2019   06:51:38  ( -67.88,-104.72)   76.13                68