Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 7 9.  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)
 07/09/2025   12:53:22   ( -77.85, 166.89) 07/09/2025   12:54:11  ( -77.85, 166.95)    1.32                49
 07/09/2025   13:44:06   (  77.81, -25.60) 07/09/2025   13:43:31  (  77.81, -25.55)    1.26                35
 07/11/2025   23:14:49   (  77.85,-168.42) 07/11/2025   23:15:54  (  77.84,-168.57)    3.64                65
 07/12/2025   00:05:33   ( -77.83,  -0.98) 07/12/2025   00:05:14  ( -77.81,  -1.04)    2.47                19
 07/14/2025   09:36:24   ( -78.18,-145.54) 07/14/2025   09:37:32  ( -78.05,-143.13)   56.96                68
 07/14/2025   10:27:00   (  77.83,  23.69) 07/14/2025   10:26:56  (  77.83,  23.59)    2.40                 4
 07/16/2025   20:48:27   ( -77.85,  48.28) 07/16/2025   20:48:38  ( -77.85,  48.20)    1.94                11
 07/16/2025   21:39:11   (  77.82,-144.21) 07/16/2025   21:37:58  (  77.81,-144.30)    2.21                73
 07/19/2025   07:09:54   (  77.86,  72.93) 07/19/2025   07:10:19  (  77.90,  72.92)    4.04                25
 07/19/2025   08:00:38   ( -77.84,-119.63) 07/19/2025   07:59:40  ( -77.82,-119.73)    2.99                58
 07/21/2025   17:31:21   ( -77.89,  97.50) 07/21/2025   17:32:01  ( -77.90,  97.46)    1.52                40