Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 7 5.  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)
 07/07/2025   02:31:55   (  77.81, 142.38) 07/07/2025   02:32:29  (  77.82, 142.31)    2.24                34
 07/07/2025   03:22:39   ( -77.78, -50.17) 07/07/2025   03:21:49  ( -77.80, -50.14)    1.51                50
 07/09/2025   12:53:23   ( -77.86, 166.82) 07/09/2025   12:54:12  ( -77.83, 166.88)    3.23                49
 07/09/2025   13:44:06   (  77.79, -25.48) 07/09/2025   13:43:32  (  77.79, -25.64)    3.68                34
 07/11/2025   23:14:49   (  77.87,-168.52) 07/11/2025   23:15:53  (  77.86,-168.48)    1.09                64
 07/12/2025   00:05:33   ( -77.84,  -1.06) 07/12/2025   00:05:13  ( -77.83,  -0.93)    3.06                20
 07/14/2025   09:36:23   ( -78.16,-145.41) 07/14/2025   09:37:31  ( -78.07,-143.04)   54.93                68
 07/14/2025   10:27:00   (  77.85,  23.59) 07/14/2025   10:26:55  (  77.85,  23.65)    1.53                 5
 07/16/2025   20:48:27   ( -77.87,  48.19) 07/16/2025   20:48:37  ( -77.86,  48.25)    1.59                10