Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 13.  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)
 04/15/2025   03:35:42   (  77.39, 126.33) 04/15/2025   03:36:19  (  77.41, 126.36)    1.95                37
 04/15/2025   04:26:25   ( -77.36, -66.22) 04/15/2025   04:25:40  ( -77.34, -66.21)    2.26                45
 04/17/2025   13:57:12   ( -77.40, 150.97) 04/17/2025   13:58:16  ( -77.44, 150.96)    4.39                64
 04/17/2025   14:47:57   (  77.36, -41.55) 04/17/2025   14:47:36  (  77.40, -41.55)    3.60                21
 04/20/2025   01:09:28   ( -77.42, -17.14) 04/20/2025   01:09:33  ( -77.40, -17.06)    3.23                 5
 04/20/2025   02:00:06   (  77.09, 151.68) 04/20/2025   01:58:57  (  77.16, 149.69)   49.77                69
 04/22/2025   11:31:00   (  77.45,   7.43) 04/22/2025   11:31:28  (  77.41,   7.44)    4.26                28
 04/22/2025   12:21:42   ( -77.37, 175.10) 04/22/2025   12:20:49  ( -77.37, 174.95)    3.81                53
 04/24/2025   21:52:29   ( -77.44,  32.16) 04/24/2025   21:53:23  ( -77.45,  32.06)    2.55                54