Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 12.  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)
 11/15/2020   02:12:04   ( -69.18, -33.64) 11/15/2020   02:13:09  ( -69.19, -33.59)    2.38                65
 11/15/2020   03:02:46   (  69.00, 133.91) 11/15/2020   03:02:37  (  69.02, 133.84)    3.36                 9
 11/15/2020   03:53:23   ( -68.64, -58.28) 11/15/2020   03:52:11  ( -68.69, -58.94)   27.08                72
 11/17/2020   18:28:26   ( -69.19,  82.27) 11/17/2020   18:29:38  ( -69.16,  82.26)    2.61                72
 11/17/2020   19:19:09   (  69.07,-110.26) 11/17/2020   19:19:05  (  69.05,-110.24)    2.43                 4
 11/17/2020   20:09:48   ( -68.87,  57.34) 11/17/2020   20:08:35  ( -68.89,  57.19)    6.64                73
 11/20/2020   10:44:51   ( -69.41,-162.13) 11/20/2020   10:46:02  ( -69.35,-161.61)   21.23                71
 11/20/2020   11:35:30   (  69.08,   5.64) 11/20/2020   11:35:32  (  69.07,   5.66)    1.86                 2
 11/20/2020   12:26:12   ( -68.98, 173.10) 11/20/2020   12:25:02  ( -68.97, 173.17)    3.20                70
 11/23/2020   03:01:17   ( -69.64, -46.54) 11/23/2020   03:02:27  ( -69.54, -45.49)   42.22                70
 11/23/2020   03:51:52   (  69.10, 121.54) 11/23/2020   03:52:00  (  69.09, 121.57)    2.09                 8
 11/23/2020   04:42:33   ( -68.94, -70.93) 11/23/2020   04:41:31  ( -68.93, -71.00)    3.10                62
 11/25/2020   19:17:43   ( -69.86,  69.04) 11/25/2020   19:18:52  ( -69.72,  70.64)   63.39                69
 11/25/2020   20:08:14   (  69.12,-122.57) 11/25/2020   20:08:28  (  69.10,-122.54)    3.04                14
 11/25/2020   20:58:56   ( -69.02,  44.90) 11/25/2020   20:57:58  ( -69.00,  44.97)    3.37                58