Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 9 22.  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)
 09/23/2025   01:21:17   (  78.21, 159.94) 09/23/2025   01:21:46  (  78.19, 159.95)    1.24                29
 09/23/2025   02:12:00   ( -78.16, -32.50) 09/23/2025   02:11:07  ( -78.17, -32.48)    1.14                53
 09/25/2025   11:42:42   ( -78.21,-175.37) 09/25/2025   11:43:18  ( -78.23,-175.34)    2.03                36
 09/25/2025   12:33:26   (  78.16,  -7.78) 09/25/2025   12:32:37  (  78.16,  -7.96)    4.20                49
 09/27/2025   22:04:07   (  78.22,-150.71) 09/27/2025   22:04:46  (  78.23,-150.74)    1.48                39
 09/27/2025   22:54:51   ( -78.21,  16.68) 09/27/2025   22:54:07  ( -78.21,  16.83)    3.64                44
 09/30/2025   08:25:32   ( -78.23,-126.05) 09/30/2025   08:26:17  ( -78.25,-126.06)    3.01                45
 09/30/2025   09:16:16   (  78.19,  41.49) 09/30/2025   09:15:36  (  78.19,  41.30)    4.23                40
 10/02/2025   18:46:58   (  78.26,-101.52) 10/02/2025   18:47:45  (  78.25,-101.51)    1.25                47
 10/02/2025   19:37:42   ( -78.24,  65.92) 10/02/2025   19:37:06  ( -78.23,  66.06)    3.36                36
 10/05/2025   05:08:23   ( -78.27, -76.88) 10/05/2025   05:09:15  ( -78.26, -76.88)    1.41                52