Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 6 22.  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)
 06/24/2025   21:53:55   (  77.78,-148.30) 06/24/2025   21:54:32  (  77.77,-148.18)    3.06                37
 06/24/2025   22:44:38   ( -77.71,  19.38) 06/24/2025   22:43:53  ( -77.72,  19.29)    2.59                45
 06/27/2025   08:15:22   ( -77.77,-123.55) 06/27/2025   08:16:17  ( -77.78,-123.64)    2.27                55
 06/27/2025   09:06:06   (  77.75,  43.91) 06/27/2025   09:05:36  (  77.76,  43.95)    1.36                30
 06/29/2025   18:36:49   (  77.81, -99.04) 06/29/2025   18:37:59  (  77.80, -99.01)    1.32                70
 06/29/2025   19:27:33   ( -77.78,  68.45) 06/29/2025   19:27:20  ( -77.75,  68.44)    3.02                13
 07/02/2025   05:49:00   (  77.78,  93.14) 07/02/2025   05:49:03  (  77.77,  93.03)    2.92                 3
 07/02/2025   06:39:36   ( -77.42, -97.76) 07/02/2025   06:38:29  ( -77.48,-100.45)   65.54                67
 07/04/2025   16:10:28   ( -77.81, 117.66) 07/04/2025   16:10:46  ( -77.83, 117.80)    3.67                18