Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 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)
 11/09/2020   17:39:20   ( -69.12,  94.59) 11/09/2020   17:40:13  ( -69.15,  94.61)    3.26                53
 11/09/2020   18:30:03   (  69.00, -97.92) 11/09/2020   18:29:41  (  68.99, -97.96)    1.88                22
 11/09/2020   19:20:30   ( -68.16,  70.50) 11/09/2020   19:19:22  ( -68.21,  68.72)   73.87                68
 11/12/2020   09:55:41   ( -69.12,-149.49) 11/12/2020   09:56:41  ( -69.14,-149.53)    2.22                60
 11/12/2020   10:46:24   (  69.00,  17.99) 11/12/2020   10:46:08  (  69.02,  17.97)    2.54                16
 11/12/2020   11:36:57   ( -68.43,-173.92) 11/12/2020   11:35:46  ( -68.48,-175.08)   47.68                71
 11/15/2020   02:12:04   ( -69.18, -33.65) 11/15/2020   02:13:09  ( -69.17, -33.61)    1.81                65
 11/15/2020   03:02:47   (  69.06, 133.83) 11/15/2020   03:02:36  (  69.06, 133.89)    2.59                11
 11/15/2020   03:53:23   ( -68.65, -58.29) 11/15/2020   03:52:11  ( -68.68, -58.96)   27.28                72
 11/17/2020   18:28:26   ( -69.18,  82.27) 11/17/2020   18:29:37  ( -69.20,  82.31)    2.53                71
 11/17/2020   19:19:09   (  69.07,-110.26) 11/17/2020   19:19:04  (  69.08,-110.20)    2.82                 5
 11/17/2020   20:09:49   ( -68.86,  57.34) 11/17/2020   20:08:36  ( -68.87,  57.17)    6.93                73
 11/20/2020   10:44:52   ( -69.40,-162.13) 11/20/2020   10:46:03  ( -69.33,-161.64)   20.72                71
 11/20/2020   11:35:30   (  69.08,   5.64) 11/20/2020   11:35:31  (  69.10,   5.71)    3.30                 1
 11/20/2020   12:26:11   ( -68.93, 173.18) 11/20/2020   12:25:02  ( -68.95, 173.15)    3.03                69