Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 21.  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)
 11/23/2020   03:01:17   ( -69.60, -46.49) 11/23/2020   03:02:28  ( -69.50, -45.54)   38.68                71
 11/23/2020   03:51:52   (  69.06, 121.59) 11/23/2020   03:52:01  (  69.06, 121.53)    2.69                 9
 11/23/2020   04:42:34   ( -68.96, -70.96) 11/23/2020   04:41:31  ( -68.95, -70.98)    1.76                63
 11/25/2020   19:17:42   ( -69.82,  69.10) 11/25/2020   19:18:51  ( -69.73,  70.66)   60.58                69
 11/25/2020   20:08:14   (  69.13,-122.58) 11/25/2020   20:08:27  (  69.12,-122.51)    2.68                13
 11/25/2020   20:58:55   ( -68.98,  44.95) 11/25/2020   20:57:58  ( -68.96,  44.92)    1.89                57
 11/28/2020   11:34:08   ( -70.05,-175.31) 11/28/2020   11:35:15  ( -69.96,-173.15)   82.87                67
 11/28/2020   12:24:36   (  69.14,  -6.68) 11/28/2020   12:24:55  (  69.13,  -6.62)    2.51                19
 11/28/2020   13:15:17   ( -68.99, 160.86) 11/28/2020   13:14:26  ( -68.97, 160.81)    2.86                51
 12/01/2020   04:40:57   (  69.10, 109.30) 12/01/2020   04:41:23  (  69.13, 109.25)    2.95                26
 12/01/2020   05:31:39   ( -69.00, -83.24) 12/01/2020   05:30:53  ( -69.02, -83.24)    2.46                46
 12/03/2020   20:57:19   (  69.12,-134.80) 12/03/2020   20:57:51  (  69.12,-134.88)    2.88                32
 12/03/2020   21:48:00   ( -69.02,  32.66) 12/03/2020   21:47:20  ( -69.02,  32.63)    1.03                40