Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 19.  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   ( -69.39,-162.11) 11/20/2020   10:46:03  ( -69.31,-161.68)   19.43                72
 11/20/2020   11:35:30   (  69.06,   5.67) 11/20/2020   11:35:32  (  69.09,   5.68)    3.05                 2
 11/20/2020   12:26:12   ( -68.97, 173.12) 11/20/2020   12:25:02  ( -68.98, 173.18)    2.51                70
 11/23/2020   03:01:17   ( -69.61, -46.51) 11/23/2020   03:02:28  ( -69.49, -45.55)   39.43                71
 11/23/2020   03:51:52   (  69.07, 121.58) 11/23/2020   03:52:00  (  69.10, 121.58)    3.43                 8
 11/23/2020   04:42:34   ( -68.97, -70.97) 11/23/2020   04:41:30  ( -69.00, -70.92)    3.04                64
 11/25/2020   19:17:43   ( -69.83,  69.09) 11/25/2020   19:18:52  ( -69.72,  70.64)   61.03                69
 11/25/2020   20:08:14   (  69.09,-122.52) 11/25/2020   20:08:28  (  69.11,-122.52)    3.01                14
 11/25/2020   20:58:55   ( -68.99,  44.94) 11/25/2020   20:57:57  ( -69.01,  44.98)    2.96                58
 11/28/2020   11:34:08   ( -70.06,-175.33) 11/28/2020   11:35:15  ( -69.95,-173.16)   83.22                67
 11/28/2020   12:24:35   (  69.10,  -6.62) 11/28/2020   12:24:55  (  69.12,  -6.64)    1.97                20
 11/28/2020   13:15:17   ( -69.00, 160.84) 11/28/2020   13:14:25  ( -69.01, 160.86)    2.05                52
 12/01/2020   04:40:57   (  69.12, 109.28) 12/01/2020   04:41:23  (  69.11, 109.24)    1.73                26
 12/01/2020   05:31:39   ( -69.01, -83.26) 12/01/2020   05:30:53  ( -69.01, -83.25)    0.23                46