Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 13.  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)
 07/14/2020   18:16:08   ( -69.74,  84.17) 07/14/2020   18:17:16  ( -69.62,  86.01)   72.12                68
 07/14/2020   19:06:38   (  68.92,-107.36) 07/14/2020   19:06:54  (  68.91,-107.29)    3.39                16
 07/14/2020   19:57:19   ( -68.78,  60.15) 07/14/2020   19:56:24  ( -68.80,  60.21)    3.40                55
 07/17/2020   10:32:35   ( -69.93,-160.22) 07/17/2020   10:33:42  ( -69.83,-157.83)   92.17                67
 07/17/2020   11:23:01   (  68.91,   8.56) 07/17/2020   11:23:24  (  68.89,   8.57)    2.31                23
 07/17/2020   12:13:42   ( -68.77, 176.08) 07/17/2020   12:12:54  ( -68.79, 176.08)    2.87                48
 07/20/2020   03:39:23   (  68.91, 124.48) 07/20/2020   03:39:53  (  68.89, 124.44)    2.85                30
 07/20/2020   04:30:05   ( -68.81, -68.07) 07/20/2020   04:29:23  ( -68.79, -68.05)    2.39                42
 07/22/2020   19:55:47   (  68.96,-119.67) 07/22/2020   19:56:22  (  68.94,-119.61)    2.74                35
 07/22/2020   20:46:28   ( -68.80,  47.86) 07/22/2020   20:45:53  ( -68.79,  47.83)    1.75                35
 07/25/2020   12:12:10   (  68.95,  -3.75) 07/25/2020   12:12:52  (  68.95,  -3.73)    0.98                42
 07/25/2020   13:02:51   ( -68.79, 163.78) 07/25/2020   13:02:23  ( -68.80, 163.71)    2.76                28