Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 10.  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)
 07/12/2020   01:59:41   ( -69.52, -31.43) 07/12/2020   02:00:51  ( -69.37, -30.20)   50.33                70
 07/12/2020   02:50:14   (  68.86, 136.80) 07/12/2020   02:50:25  (  68.88, 136.80)    1.36                11
 07/12/2020   03:40:56   ( -68.77, -55.75) 07/12/2020   03:39:55  ( -68.77, -55.70)    1.98                61
 07/14/2020   18:16:08   ( -69.71,  84.20) 07/14/2020   18:17:17  ( -69.61,  85.99)   69.90                69
 07/14/2020   19:06:38   (  68.90,-107.34) 07/14/2020   19:06:55  (  68.89,-107.31)    1.95                17
 07/14/2020   19:57:19   ( -68.75,  60.18) 07/14/2020   19:56:26  ( -68.73,  60.12)    3.34                53
 07/17/2020   10:32:36   ( -70.01,-160.33) 07/17/2020   10:33:42  ( -69.88,-157.77)   98.82                66
 07/17/2020   11:23:00   (  68.89,   8.59) 07/17/2020   11:23:25  (  68.88,   8.55)    2.14                25
 07/17/2020   12:13:42   ( -68.79, 176.05) 07/17/2020   12:12:55  ( -68.78, 176.06)    0.73                47
 07/20/2020   03:39:24   (  68.93, 124.45) 07/20/2020   03:39:56  (  68.90, 124.45)    2.63                32
 07/20/2020   04:30:06   ( -68.82, -68.09) 07/20/2020   04:29:26  ( -68.81, -68.04)    2.52                40
 07/22/2020   19:55:47   (  68.91,-119.61) 07/22/2020   19:56:28  (  68.91,-119.68)    2.58                41
 07/22/2020   20:46:29   ( -68.80,  47.85) 07/22/2020   20:45:58  ( -68.81,  47.84)    1.26                31