Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 6 14.  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)
 06/14/2021   21:37:55   (  69.84,-144.82) 06/14/2021   21:38:39  (  69.86,-144.77)    2.48                44
 06/14/2021   22:28:36   ( -69.75,  22.65) 06/14/2021   22:28:09  ( -69.74,  22.71)    2.51                27
 06/17/2021   13:54:14   (  69.85, -28.88) 06/17/2021   13:55:06  (  69.85, -28.91)    0.93                52
 06/17/2021   14:44:55   ( -69.74, 138.59) 06/17/2021   14:44:36  ( -69.74, 138.58)    1.06                19
 06/17/2021   15:35:24   (  68.84, -52.81) 06/17/2021   15:34:17  (  68.85, -54.94)   85.64                67
 06/20/2021   06:10:34   (  69.90,  86.97) 06/20/2021   06:11:32  (  69.88,  87.03)    2.85                58
 06/20/2021   07:01:15   ( -69.79,-105.54) 06/20/2021   07:01:02  ( -69.78,-105.49)    2.81                13
 06/20/2021   07:51:48   (  69.11,  62.76) 06/20/2021   07:50:38  (  69.17,  61.34)   56.53                70
 06/22/2021   22:26:53   (  69.91,-157.09) 06/22/2021   22:27:58  (  69.92,-157.05)    2.03                65
 06/22/2021   23:17:34   ( -69.79,  10.40) 06/22/2021   23:17:28  ( -69.81,  10.44)    2.98                 6
 06/23/2021   00:08:12   (  69.38, 178.32) 06/23/2021   00:07:00  (  69.42, 177.56)   30.20                72
 06/25/2021   14:43:12   (  69.96, -41.24) 06/25/2021   14:44:23  (  69.95, -41.13)    4.50                71
 06/25/2021   15:33:52   ( -69.79, 126.35) 06/25/2021   15:33:54  ( -69.79, 126.29)    2.20                 2
 06/25/2021   16:24:34   (  69.60, -66.06) 06/25/2021   16:23:22  (  69.62, -66.30)    9.89                72