Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 7.  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)
 06/07/2020   05:35:57   (  69.52,  94.40) 06/07/2020   05:37:06  (  69.45,  95.81)   55.67                69
 06/07/2020   06:26:27   ( -68.84, -97.32) 06/07/2020   06:26:45  ( -68.83, -97.35)    1.43                18
 06/07/2020   07:17:11   (  68.72,  70.15) 06/07/2020   07:16:12  (  68.73,  70.16)    1.49                59
 06/09/2020   21:52:25   (  69.77,-150.05) 06/09/2020   21:53:32  (  69.70,-147.97)   80.34                67
 06/09/2020   22:42:51   ( -68.86,  18.56) 06/09/2020   22:43:15  ( -68.87,  18.57)    1.24                24
 06/09/2020   23:33:35   (  68.75,-173.98) 06/09/2020   23:32:42  (  68.77,-173.92)    3.32                53
 06/12/2020   14:59:15   ( -68.89, 134.43) 06/12/2020   14:59:47  ( -68.87, 134.43)    2.44                32
 06/12/2020   15:49:59   (  68.78, -58.11) 06/12/2020   15:49:14  (  68.76, -58.06)    3.38                45
 06/15/2020   07:15:39   ( -68.92,-109.69) 06/15/2020   07:16:19  ( -68.93,-109.63)    2.92                40
 06/15/2020   08:06:22   (  68.76,  57.82) 06/15/2020   08:05:47  (  68.76,  57.81)    0.80                35
 06/17/2020   23:32:02   ( -68.94,   6.18) 06/17/2020   23:32:52  ( -68.94,   6.25)    2.89                50
 06/18/2020   00:22:45   (  68.80, 173.69) 06/18/2020   00:22:20  (  68.77, 173.68)    3.12                25
 06/18/2020   01:13:11   ( -67.87, -17.79) 06/18/2020   01:12:03  ( -67.95, -19.68)   79.28                68
 06/20/2020   15:48:25   ( -68.92, 122.12) 06/20/2020   15:49:28  ( -68.91, 122.06)    2.93                63
 06/20/2020   16:39:08   (  68.78, -70.38) 06/20/2020   16:38:55  (  68.79, -70.44)    2.82                13
 06/20/2020   17:29:42   ( -68.28,  97.60) 06/20/2020   17:28:31  ( -68.36,  96.67)   39.72                71