Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 6 15.  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)
 06/16/2019   20:07:41   (  69.11,-123.11) 06/16/2019   20:08:52  (  69.01,-122.66)   20.51                71
 06/16/2019   20:58:18   ( -68.76,  44.68) 06/16/2019   20:58:24  ( -68.79,  44.69)    2.94                 6
 06/16/2019   21:49:01   (  68.62,-147.81) 06/16/2019   21:47:52  (  68.63,-147.87)    2.54                69
 06/19/2019   12:24:07   (  69.11,  -7.22) 06/19/2019   12:25:18  (  69.06,  -6.72)   20.66                71
 06/19/2019   13:14:44   ( -68.76, 160.57) 06/19/2019   13:14:51  ( -68.79, 160.57)    3.14                 7
 06/19/2019   14:05:27   (  68.62, -31.93) 06/19/2019   14:04:19  (  68.62, -32.00)    2.79                68
 06/22/2019   04:40:35   (  69.16, 108.58) 06/22/2019   04:41:46  (  69.05, 109.15)   25.85                71
 06/22/2019   05:31:11   ( -68.75, -83.54) 06/22/2019   05:31:19  ( -68.78, -83.56)    2.76                 8
 06/22/2019   06:21:55   (  68.67,  83.88) 06/22/2019   06:20:46  (  68.66,  83.94)    2.80                69
 06/24/2019   20:57:02   (  69.17,-135.54) 06/24/2019   20:58:13  (  69.08,-134.92)   26.16                71
 06/24/2019   21:47:38   ( -68.75,  32.35) 06/24/2019   21:47:47  ( -68.76,  32.31)    2.11                 9
 06/24/2019   22:38:21   (  68.62,-160.17) 06/24/2019   22:37:14  (  68.64,-160.20)    2.31                67
 06/27/2019   13:13:29   (  69.17, -19.66) 06/27/2019   13:14:41  (  69.06, -19.06)   26.75                72
 06/27/2019   14:04:05   ( -68.75, 148.23) 06/27/2019   14:04:15  ( -68.75, 148.17)    2.50                10
 06/27/2019   14:54:48   (  68.63, -44.29) 06/27/2019   14:53:42  (  68.62, -44.34)    2.27                66