Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 20.  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)
 11/20/2020   10:44:51   ( -69.38,-162.09) 11/20/2020   10:46:03  ( -69.32,-161.66)   18.15                72
 11/20/2020   11:35:30   (  69.05,   5.69) 11/20/2020   11:35:33  (  69.05,   5.63)    2.52                 3
 11/20/2020   12:26:12   ( -68.95, 173.14) 11/20/2020   12:25:03  ( -68.93, 173.12)    2.18                69
 11/23/2020   03:01:17   ( -69.60, -46.49) 11/23/2020   03:02:28  ( -69.50, -45.54)   38.42                71
 11/23/2020   03:51:52   (  69.06, 121.60) 11/23/2020   03:52:01  (  69.06, 121.53)    2.83                 9
 11/23/2020   04:42:33   ( -68.96, -70.95) 11/23/2020   04:41:30  ( -68.95, -70.98)    1.26                63
 11/25/2020   19:17:42   ( -69.82,  69.11) 11/25/2020   19:18:51  ( -69.74,  70.66)   60.33                69
 11/25/2020   20:08:14   (  69.12,-122.57) 11/25/2020   20:08:27  (  69.13,-122.51)    2.60                13
 11/25/2020   20:58:55   ( -68.97,  44.96) 11/25/2020   20:57:58  ( -68.97,  44.92)    1.51                57
 11/28/2020   11:34:08   ( -70.04,-175.30) 11/28/2020   11:35:15  ( -69.96,-173.15)   82.58                67
 11/28/2020   12:24:36   (  69.14,  -6.67) 11/28/2020   12:24:55  (  69.13,  -6.62)    1.92                19
 11/28/2020   13:15:17   ( -68.98, 160.86) 11/28/2020   13:14:26  ( -68.97, 160.81)    2.31                51
 12/01/2020   04:40:58   (  69.15, 109.24) 12/01/2020   04:41:23  (  69.13, 109.26)    2.41                25
 12/01/2020   05:31:40   ( -69.05, -83.31) 12/01/2020   05:30:53  ( -69.03, -83.24)    3.35                47
 12/03/2020   20:57:19   (  69.17,-134.86) 12/03/2020   20:57:49  (  69.18,-134.80)    3.07                30
 12/03/2020   21:48:00   ( -69.01,  32.67) 12/03/2020   21:47:20  ( -69.02,  32.64)    2.22                40