Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 18.  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)
 05/19/2025   07:59:39   (  77.56,  60.40) 05/19/2025   07:59:56  (  77.56,  60.35)    1.27                17
 05/19/2025   08:50:22   ( -77.52,-132.08) 05/19/2025   08:49:18  ( -77.50,-132.20)    3.43                64
 05/21/2025   18:21:08   ( -77.61,  84.87) 05/21/2025   18:21:46  ( -77.60,  85.01)    3.42                38
 05/21/2025   19:11:52   (  77.55,-107.53) 05/21/2025   19:11:05  (  77.54,-107.56)    1.61                47
 05/24/2025   04:42:37   (  77.61, 109.57) 05/24/2025   04:43:33  (  77.61, 109.55)    0.53                56
 05/24/2025   05:33:20   ( -77.56, -82.86) 05/24/2025   05:32:55  ( -77.56, -82.97)    2.75                25
 05/26/2025   15:04:10   ( -77.81, 133.22) 05/26/2025   15:05:21  ( -77.71, 134.44)   31.33                71
 05/26/2025   15:54:50   (  77.61, -58.41) 05/26/2025   15:54:41  (  77.59, -58.35)    2.32                 9
 05/29/2025   02:16:17   ( -77.61, -33.75) 05/29/2025   02:16:29  ( -77.62, -33.72)    1.49                12
 05/29/2025   03:07:00   (  77.53, 133.98) 05/29/2025   03:05:48  (  77.55, 133.67)    7.86                72
 05/31/2025   12:37:46   (  77.64,  -9.20) 05/31/2025   12:38:14  (  77.65,  -9.10)    2.63                28