Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 20.  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)
 04/22/2025   11:31:00   (  77.44,   7.47) 04/22/2025   11:31:28  (  77.43,   7.51)    1.37                28
 04/22/2025   12:21:42   ( -77.37, 175.11) 04/22/2025   12:20:49  ( -77.38, 174.99)    3.16                53
 04/24/2025   21:52:30   ( -77.47,  32.00) 04/24/2025   21:53:23  ( -77.48,  32.17)    4.20                53
 04/24/2025   22:43:14   (  77.39,-160.32) 04/24/2025   22:42:43  (  77.42,-160.40)    3.13                31
 04/27/2025   08:14:05   (  77.63,  55.91) 04/27/2025   08:15:16  (  77.52,  56.82)   24.89                71
 04/27/2025   09:04:44   ( -77.44,-135.82) 04/27/2025   09:04:38  ( -77.44,-135.83)    0.53                 6
 04/29/2025   19:26:16   (  77.48,-111.35) 04/29/2025   19:26:31  (  77.44,-111.34)    4.25                15
 04/29/2025   20:16:58   ( -77.41,  56.32) 04/29/2025   20:15:52  ( -77.42,  56.22)    2.56                66
 05/02/2025   05:47:45   ( -77.49, -86.72) 05/02/2025   05:48:25  ( -77.47, -86.77)    3.10                40