Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 3 16.  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)
 03/16/2025   19:54:10   (  77.23,-118.28) 03/16/2025   19:54:28  (  77.22,-118.27)    1.05                18
 03/16/2025   20:44:53   ( -77.17,  49.30) 03/16/2025   20:43:49  ( -77.16,  49.17)    3.56                64
 03/19/2025   06:15:45   ( -77.28, -93.81) 03/19/2025   06:16:37  ( -77.26, -93.73)    2.99                52
 03/19/2025   07:06:29   (  77.22,  73.75) 03/19/2025   07:05:57  (  77.23,  73.85)    2.90                32
 03/21/2025   17:28:03   ( -77.24,  98.36) 03/21/2025   17:28:06  ( -77.23,  98.24)    3.11                 3
 03/21/2025   18:18:39   (  76.84, -92.59) 03/21/2025   18:17:32  (  76.92, -95.22)   66.82                67
 03/24/2025   03:49:38   (  77.26, 122.91) 03/24/2025   03:50:13  (  77.26, 122.78)    3.22                35
 03/24/2025   04:40:22   ( -77.25, -69.71) 03/24/2025   04:39:33  ( -77.24, -69.61)    2.52                49
 03/26/2025   14:11:12   ( -77.30, 147.41) 03/26/2025   14:12:19  ( -77.30, 147.38)    0.93                67
 03/26/2025   15:01:56   (  77.28, -45.20) 03/26/2025   15:01:38  (  77.28, -45.06)    3.63                18
 03/29/2025   01:23:29   ( -77.29, -20.57) 03/29/2025   01:23:44  ( -77.28, -20.61)    1.69                15