Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 8.  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   13:42:58   ( -77.53, 154.50) 05/09/2025   13:43:18  ( -77.53, 154.60)    2.62                20
 05/09/2025   14:33:42   (  77.49, -38.03) 05/09/2025   14:32:36  (  77.49, -37.89)    3.50                66
 05/12/2025   00:04:27   (  77.53, 179.19) 05/12/2025   00:05:07  (  77.52, 179.06)    3.12                40
 05/12/2025   00:55:10   ( -77.49, -13.32) 05/12/2025   00:54:28  ( -77.51, -13.32)    2.06                42
 05/14/2025   10:25:56   ( -77.56,-156.30) 05/14/2025   10:26:58  ( -77.58,-156.24)    1.90                62
 05/14/2025   11:16:41   (  77.54,  11.13) 05/14/2025   11:16:17  (  77.52,  11.21)    3.24                24
 05/16/2025   20:47:34   (  77.91,-133.36) 05/16/2025   20:48:41  (  77.83,-130.67)   63.25                67
 05/16/2025   21:38:09   ( -77.54,  35.83) 05/16/2025   21:38:08  ( -77.56,  35.85)    2.18                 1
 05/19/2025   07:59:39   (  77.57,  60.38) 05/19/2025   07:59:56  (  77.56,  60.37)    0.90                17
 05/19/2025   08:50:22   ( -77.52,-132.06) 05/19/2025   08:49:18  ( -77.52,-132.14)    1.91                64
 05/21/2025   18:21:08   ( -77.61,  84.88) 05/21/2025   18:21:47  ( -77.57,  84.89)    4.17                39