Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 25.  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)
 04/27/2025   08:14:05   (  77.63,  55.91) 04/27/2025   08:15:16  (  77.52,  56.81)   24.65                71
 04/27/2025   09:04:44   ( -77.44,-135.84) 04/27/2025   09:04:38  ( -77.43,-135.87)    1.10                 6
 04/29/2025   19:26:16   (  77.48,-111.35) 04/29/2025   19:26:31  (  77.44,-111.35)    4.23                15
 04/29/2025   20:16:58   ( -77.41,  56.31) 04/29/2025   20:15:52  ( -77.41,  56.19)    2.81                66
 05/02/2025   05:47:45   ( -77.49, -86.72) 05/02/2025   05:48:24  ( -77.51, -86.61)    3.10                39
 05/02/2025   06:38:29   (  77.46,  80.74) 05/02/2025   06:37:43  (  77.43,  80.74)    3.89                46
 05/04/2025   16:09:15   (  77.52, -62.14) 05/04/2025   16:10:15  (  77.49, -62.20)    3.46                60
 05/04/2025   16:59:58   ( -77.48, 105.35) 05/04/2025   16:59:36  ( -77.47, 105.39)    1.55                22
 05/07/2025   02:30:55   ( -77.98, -39.83) 05/07/2025   02:31:59  ( -77.92, -35.94)   90.57                64
 05/07/2025   03:21:29   (  77.51, 129.87) 05/07/2025   03:21:26  (  77.50, 130.02)    3.64                 3