Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 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)
 05/14/2025   10:25:56   ( -77.57,-156.31) 05/14/2025   10:26:58  ( -77.56,-156.28)    0.73                62
 05/14/2025   11:16:41   (  77.54,  11.13) 05/14/2025   11:16:17  (  77.51,  11.19)    3.24                24
 05/16/2025   20:47:34   (  77.90,-133.34) 05/16/2025   20:48:41  (  77.83,-130.70)   62.25                67
 05/16/2025   21:38:09   ( -77.54,  35.83) 05/16/2025   21:38:08  ( -77.55,  35.80)    1.05                 1
 05/19/2025   07:59:39   (  77.56,  60.41) 05/19/2025   07:59:56  (  77.55,  60.33)    2.22                17
 05/19/2025   08:50:22   ( -77.52,-132.05) 05/19/2025   08:49:18  ( -77.51,-132.19)    3.66                64
 05/21/2025   18:21:08   ( -77.60,  84.91) 05/21/2025   18:21:46  ( -77.60,  85.02)    2.51                38
 05/21/2025   19:11:52   (  77.55,-107.51) 05/21/2025   19:11:05  (  77.53,-107.58)    2.40                47
 05/24/2025   04:42:37   (  77.60, 109.60) 05/24/2025   04:43:33  (  77.60, 109.54)    1.50                56