Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 7 4.  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)
 07/04/2025   16:10:28   ( -77.81, 117.70) 07/04/2025   16:10:46  ( -77.82, 117.78)    2.41                18
 07/04/2025   17:01:12   (  77.77, -74.81) 07/04/2025   17:00:06  (  77.77, -74.75)    1.51                66
 07/07/2025   02:31:55   (  77.81, 142.39) 07/07/2025   02:32:29  (  77.83, 142.33)    2.71                34
 07/07/2025   03:22:39   ( -77.78, -50.15) 07/07/2025   03:21:49  ( -77.80, -50.10)    2.76                50
 07/09/2025   12:53:23   ( -77.86, 166.84) 07/09/2025   12:54:12  ( -77.85, 166.93)    2.55                49
 07/09/2025   13:44:06   (  77.79, -25.47) 07/09/2025   13:43:32  (  77.80, -25.59)    3.25                34
 07/11/2025   23:14:49   (  77.87,-168.51) 07/11/2025   23:15:53  (  77.88,-168.40)    3.06                64
 07/12/2025   00:05:33   ( -77.84,  -1.05) 07/12/2025   00:05:14  ( -77.81,  -1.04)    3.29                19
 07/14/2025   09:36:24   ( -78.19,-145.62) 07/14/2025   09:37:31  ( -78.10,-142.91)   62.70                67
 07/14/2025   10:27:00   (  77.85,  23.59) 07/14/2025   10:26:56  (  77.83,  23.59)    2.04                 4
 07/16/2025   20:48:27   ( -77.87,  48.20) 07/16/2025   20:48:38  ( -77.86,  48.24)    1.32                11