Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 29.  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)
 08/29/2020   08:35:49   ( -69.00,-129.61) 08/29/2020   08:36:31  ( -69.01,-129.57)    2.27                42
 08/29/2020   09:26:32   (  68.83,  37.92) 08/29/2020   09:25:59  (  68.85,  37.87)    2.99                33
 09/01/2020   00:52:12   ( -69.01, -13.71) 09/01/2020   00:53:00  ( -69.01, -13.69)    1.01                48
 09/01/2020   01:42:55   (  68.84, 153.82) 09/01/2020   01:42:28  (  68.85, 153.75)    3.02                27
 09/01/2020   02:33:20   ( -67.88, -37.61) 09/01/2020   02:32:13  ( -67.90, -39.76)   90.23                67
 09/03/2020   17:08:35   ( -69.02, 102.18) 09/03/2020   17:09:29  ( -69.01, 102.18)    0.97                54
 09/03/2020   17:59:19   (  68.91, -90.36) 09/03/2020   17:58:56  (  68.90, -90.31)    1.96                23
 09/03/2020   18:49:47   ( -68.11,  78.02) 09/03/2020   18:48:38  ( -68.12,  76.37)   68.30                69
 09/06/2020   09:24:57   ( -69.03,-141.92) 09/06/2020   09:25:57  ( -69.00,-141.95)    3.36                60
 09/06/2020   10:15:40   (  68.87,  25.61) 09/06/2020   10:15:24  (  68.89,  25.56)    3.44                16
 09/06/2020   11:06:12   ( -68.28,-166.29) 09/06/2020   11:05:02  ( -68.34,-167.49)   49.79                70
 09/09/2020   01:41:20   ( -69.05, -26.03) 09/09/2020   01:42:25  ( -69.05, -26.01)    0.68                65
 09/09/2020   02:32:04   (  68.94, 141.43) 09/09/2020   02:31:52  (  68.93, 141.49)    2.27                12
 09/09/2020   03:22:39   ( -68.51, -50.67) 09/09/2020   03:21:27  ( -68.55, -51.35)   28.03                72
 09/11/2020   17:57:43   ( -69.06,  89.87) 09/11/2020   17:58:54  ( -69.03,  89.85)    3.37                71
 09/11/2020   18:48:26   (  68.90,-102.60) 09/11/2020   18:48:21  (  68.91,-102.65)    2.65                 5
 09/11/2020   19:39:05   ( -68.69,  65.01) 09/11/2020   19:37:53  ( -68.70,  64.72)   11.88                72