Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 12.  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)
 04/12/2025   17:14:10   ( -77.37, 101.73) 04/12/2025   17:14:22  ( -77.39, 101.83)    2.73                12
 04/12/2025   18:04:55   (  77.34, -90.77) 04/12/2025   18:03:43  (  77.31, -90.80)    2.88                72
 04/15/2025   03:35:43   (  77.41, 126.26) 04/15/2025   03:36:20  (  77.39, 126.30)    1.93                37
 04/15/2025   04:26:25   ( -77.34, -66.09) 04/15/2025   04:25:40  ( -77.38, -66.09)    4.36                45
 04/17/2025   13:57:13   ( -77.41, 150.91) 04/17/2025   13:58:17  ( -77.42, 150.89)    1.12                64
 04/17/2025   14:47:58   (  77.38, -41.61) 04/17/2025   14:47:37  (  77.38, -41.62)    0.27                21
 04/20/2025   01:09:27   ( -77.39, -17.00) 04/20/2025   01:09:32  ( -77.43, -16.96)    3.60                 5
 04/20/2025   02:00:05   (  77.06, 151.81) 04/20/2025   01:58:57  (  77.14, 149.61)   55.24                68
 04/22/2025   11:30:59   (  77.42,   7.58) 04/22/2025   11:31:27  (  77.43,   7.52)    1.99                28
 04/22/2025   12:21:42   ( -77.38, 175.05) 04/22/2025   12:20:48  ( -77.39, 175.03)    0.73                54
 04/24/2025   21:52:29   ( -77.45,  32.12) 04/24/2025   21:53:22  ( -77.46,  32.12)    1.47                53