Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 6 27.  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)
 06/27/2025   08:15:22   ( -77.77,-123.54) 06/27/2025   08:16:17  ( -77.77,-123.65)    2.54                55
 06/27/2025   09:06:06   (  77.74,  43.94) 06/27/2025   09:05:36  (  77.76,  43.96)    2.19                30
 06/29/2025   18:36:49   (  77.81, -99.02) 06/29/2025   18:37:59  (  77.80, -99.00)    0.61                70
 06/29/2025   19:27:33   ( -77.78,  68.45) 06/29/2025   19:27:20  ( -77.75,  68.42)    3.40                13
 07/02/2025   05:49:00   (  77.78,  93.15) 07/02/2025   05:49:03  (  77.77,  93.03)    3.11                 3
 07/02/2025   06:39:36   ( -77.42, -97.76) 07/02/2025   06:38:29  ( -77.48,-100.47)   65.87                67
 07/04/2025   16:10:28   ( -77.82, 117.64) 07/04/2025   16:10:46  ( -77.82, 117.77)    2.97                18
 07/04/2025   17:01:11   (  77.75, -74.69) 07/04/2025   17:00:06  (  77.76, -74.79)    2.79                65
 07/07/2025   02:31:55   (  77.83, 142.30) 07/07/2025   02:32:29  (  77.82, 142.30)    0.66                34
 07/07/2025   03:22:39   ( -77.79, -50.21) 07/07/2025   03:21:49  ( -77.80, -50.10)    2.86                50
 07/09/2025   12:53:22   ( -77.83, 166.97) 07/09/2025   12:54:12  ( -77.85, 166.94)    1.92                50