Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 21.  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   (  77.42,   7.56) 04/22/2025   11:31:28  (  77.45,   7.60)    3.70                28
 04/22/2025   12:21:43   ( -77.39, 175.00) 04/22/2025   12:20:49  ( -77.40, 175.06)    1.67                54
 04/24/2025   21:52:30   ( -77.45,  32.09) 04/24/2025   21:53:24  ( -77.45,  32.07)    0.48                54
 04/24/2025   22:43:14   (  77.42,-160.42) 04/24/2025   22:42:43  (  77.39,-160.49)    3.27                31
 04/27/2025   08:14:04   (  77.61,  56.01) 04/27/2025   08:15:16  (  77.50,  56.73)   21.17                72
 04/27/2025   09:04:44   ( -77.46,-135.92) 04/27/2025   09:04:37  ( -77.46,-135.75)    4.32                 7
 04/29/2025   19:26:15   (  77.46,-111.25) 04/29/2025   19:26:30  (  77.47,-111.24)    1.05                15
 04/29/2025   20:16:58   ( -77.43,  56.22) 04/29/2025   20:15:51  ( -77.44,  56.31)    2.69                67
 05/02/2025   05:47:44   ( -77.47, -86.61) 05/02/2025   05:48:24  ( -77.49, -86.67)    3.00                40
 05/02/2025   06:38:29   (  77.44,  80.85) 05/02/2025   06:37:43  (  77.45,  80.85)    1.51                46
 05/04/2025   16:09:15   (  77.49, -62.04) 05/04/2025   16:10:15  (  77.51, -62.09)    2.66                60
 05/04/2025   16:59:58   ( -77.46, 105.47) 05/04/2025   16:59:37  ( -77.45, 105.33)    3.17                21