Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 10.  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)
 05/12/2025   00:04:27   (  77.53, 179.17) 05/12/2025   00:05:06  (  77.56, 179.21)    3.31                39
 05/12/2025   00:55:10   ( -77.50, -13.34) 05/12/2025   00:54:28  ( -77.50, -13.37)    0.66                42
 05/14/2025   10:25:56   ( -77.57,-156.33) 05/14/2025   10:26:58  ( -77.56,-156.31)    1.43                62
 05/14/2025   11:16:40   (  77.50,  11.30) 05/14/2025   11:16:17  (  77.50,  11.15)    3.78                23
 05/16/2025   20:47:34   (  77.91,-133.39) 05/16/2025   20:48:41  (  77.81,-130.77)   62.24                67
 05/16/2025   21:38:09   ( -77.55,  35.80) 05/16/2025   21:38:08  ( -77.53,  35.76)    1.76                 1
 05/19/2025   07:59:39   (  77.57,  60.35) 05/19/2025   07:59:55  (  77.58,  60.43)    1.86                16
 05/19/2025   08:50:22   ( -77.53,-132.10) 05/19/2025   08:49:17  ( -77.53,-132.09)    0.62                65
 05/21/2025   18:21:07   ( -77.58,  85.04) 05/21/2025   18:21:46  ( -77.57,  84.90)    3.22                39
 05/21/2025   19:11:52   (  77.57,-107.60) 05/21/2025   19:11:04  (  77.55,-107.52)    2.88                48