Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 8 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)
 08/15/2025   01:56:41   (  78.05, 150.94) 08/15/2025   01:57:53  (  78.04, 151.09)    3.46                72
 08/15/2025   02:47:23   ( -77.98, -41.36) 08/15/2025   02:47:14  ( -77.98, -41.52)    3.58                 9
 08/17/2025   13:08:52   (  78.01, -16.80) 08/17/2025   13:08:51  (  78.00, -16.88)    2.11                 1
 08/17/2025   13:59:24   ( -77.54, 152.96) 08/17/2025   13:58:20  ( -77.58, 149.03)   94.31                64
 08/19/2025   23:30:19   ( -78.03,   7.76) 08/19/2025   23:30:29  ( -78.02,   7.74)    1.62                10
 08/20/2025   00:21:01   (  77.89, 175.87) 08/20/2025   00:19:49  (  77.94, 175.08)   19.47                72
 08/22/2025   09:51:46   (  78.03,  32.49) 08/22/2025   09:52:04  (  78.04,  32.37)    3.09                18
 08/22/2025   10:42:29   ( -77.99,-160.01) 08/22/2025   10:41:25  ( -78.00,-160.13)    2.88                64
 08/24/2025   20:13:13   ( -78.06,  57.03) 08/24/2025   20:13:42  ( -78.04,  56.93)    2.74                29