Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 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)
 05/09/2025   13:42:57   ( -77.50, 154.64) 05/09/2025   13:43:18  ( -77.52, 154.55)    3.20                21
 05/09/2025   14:33:42   (  77.46, -37.88) 05/09/2025   14:32:37  (  77.48, -37.94)    1.95                65
 05/12/2025   00:04:28   (  77.54, 179.14) 05/12/2025   00:05:07  (  77.55, 179.17)    1.72                39
 05/12/2025   00:55:11   ( -77.50, -13.37) 05/12/2025   00:54:29  ( -77.49, -13.40)    1.44                42
 05/14/2025   10:25:56   ( -77.58,-156.36) 05/14/2025   10:26:58  ( -77.55,-156.34)    2.92                62
 05/14/2025   11:16:40   (  77.51,  11.27) 05/14/2025   11:16:16  (  77.54,  11.30)    3.29                24
 05/16/2025   20:47:34   (  77.92,-133.42) 05/16/2025   20:48:41  (  77.80,-130.81)   62.36                67
 05/16/2025   21:38:09   ( -77.55,  35.77) 05/16/2025   21:38:08  ( -77.52,  35.72)    3.30                 1
 05/19/2025   07:59:39   (  77.58,  60.32) 05/19/2025   07:59:55  (  77.56,  60.38)    2.32                16
 05/19/2025   08:50:22   ( -77.53,-132.12) 05/19/2025   08:49:17  ( -77.52,-132.13)    1.20                65
 05/21/2025   18:21:07   ( -77.58,  85.02) 05/21/2025   18:21:45  ( -77.61,  85.04)    2.85                38