Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 22.  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)
 07/22/2020   19:55:47   (  68.92,-119.63) 07/22/2020   19:56:21  (  68.94,-119.60)    2.16                34
 07/22/2020   20:46:28   ( -68.78,  47.88) 07/22/2020   20:45:52  ( -68.78,  47.82)    2.60                36
 07/25/2020   12:12:09   (  68.92,  -3.70) 07/25/2020   12:12:50  (  68.90,  -3.77)    3.08                41
 07/25/2020   13:02:51   ( -68.82, 163.74) 07/25/2020   13:02:20  ( -68.80, 163.73)    3.01                31
 07/28/2020   04:28:33   (  68.96, 112.15) 07/28/2020   04:29:18  (  68.97, 112.20)    2.37                45
 07/28/2020   05:19:14   ( -68.81, -80.33) 07/28/2020   05:18:49  ( -68.81, -80.37)    1.60                25
 07/30/2020   20:44:56   (  68.95,-131.93) 07/30/2020   20:45:48  (  68.93,-131.98)    3.38                52
 07/30/2020   21:35:38   ( -68.85,  35.52) 07/30/2020   21:35:18  ( -68.83,  35.52)    3.13                20
 07/30/2020   22:26:06   (  67.93,-155.96) 07/30/2020   22:24:58  (  67.98,-157.85)   79.36                68
 08/02/2020   13:01:19   (  68.99, -16.08) 08/02/2020   13:02:15  (  68.99, -16.02)    2.19                56
 08/02/2020   13:52:00   ( -68.84, 151.45) 08/02/2020   13:51:46  ( -68.84, 151.42)    1.58                14
 08/02/2020   14:42:32   (  68.13, -40.31) 08/02/2020   14:41:23  (  68.16, -41.77)   60.57                69