Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 18.  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)
 04/20/2025   01:09:27   ( -77.39, -16.98) 04/20/2025   01:09:33  ( -77.39, -17.09)    2.81                 6
 04/20/2025   02:00:06   (  77.10, 151.67) 04/20/2025   01:58:57  (  77.16, 149.69)   49.50                69
 04/22/2025   11:31:00   (  77.44,   7.44) 04/22/2025   11:31:28  (  77.42,   7.48)    2.75                28
 04/22/2025   12:21:42   ( -77.38, 175.09) 04/22/2025   12:20:49  ( -77.37, 174.97)    3.02                53
 04/24/2025   21:52:30   ( -77.48,  31.98) 04/24/2025   21:53:23  ( -77.47,  32.14)    3.93                53
 04/24/2025   22:43:14   (  77.40,-160.34) 04/24/2025   22:42:43  (  77.41,-160.44)    2.48                31
 04/27/2025   08:14:05   (  77.63,  55.90) 04/27/2025   08:15:16  (  77.51,  56.77)   25.07                71
 04/27/2025   09:04:44   ( -77.44,-135.83) 04/27/2025   09:04:38  ( -77.43,-135.87)    1.32                 6
 04/29/2025   19:26:16   (  77.48,-111.35) 04/29/2025   19:26:30  (  77.47,-111.22)    3.42                14