Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 11 10.  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)
 11/13/2025   02:50:35   ( -78.46, -42.49) 11/13/2025   02:51:15  ( -78.45, -42.41)    2.05                40
 11/13/2025   03:41:19   (  78.43, 125.00) 11/13/2025   03:40:35  (  78.41, 125.06)    2.79                44
 11/15/2025   13:11:57   (  78.46, -17.82) 11/15/2025   13:12:33  (  78.46, -17.71)    2.46                36
 11/15/2025   14:02:40   ( -78.41, 149.87) 11/15/2025   14:01:53  ( -78.41, 149.70)    3.70                47
 11/17/2025   23:33:18   ( -78.45,   7.00) 11/17/2025   23:33:51  ( -78.45,   6.83)    3.97                33
 11/18/2025   00:24:02   (  78.42, 174.50) 11/18/2025   00:23:10  (  78.44, 174.47)    2.12                52
 11/20/2025   09:54:40   (  78.47,  31.59) 11/20/2025   09:55:07  (  78.49,  31.67)    2.59                27
 11/20/2025   10:45:24   ( -78.45,-160.96) 11/20/2025   10:44:27  ( -78.44,-160.89)    2.00                57
 11/22/2025   20:16:01   ( -78.48,  56.31) 11/22/2025   20:16:24  ( -78.47,  56.20)    2.55                23