Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 6 19.  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)
 06/20/2025   01:10:59   (  77.72, 162.65) 06/20/2025   01:11:04  (  77.70, 162.51)    3.47                 5
 06/20/2025   02:01:38   ( -77.48, -28.89) 06/20/2025   02:00:28  ( -77.53, -30.54)   39.94                70
 06/22/2025   11:32:27   ( -77.74,-172.79) 06/22/2025   11:32:49  ( -77.74,-172.83)    1.12                22
 06/22/2025   12:23:11   (  77.71,  -5.33) 06/22/2025   12:22:08  (  77.71,  -5.28)    1.30                63
 06/24/2025   21:53:55   (  77.78,-148.26) 06/24/2025   21:54:32  (  77.77,-148.18)    2.14                37
 06/24/2025   22:44:39   ( -77.74,  19.23) 06/24/2025   22:43:53  ( -77.73,  19.31)    2.53                46
 06/27/2025   08:15:21   ( -77.77,-123.50) 06/27/2025   08:16:16  ( -77.78,-123.64)    3.44                55
 06/27/2025   09:06:05   (  77.74,  43.94) 06/27/2025   09:05:35  (  77.75,  43.92)    1.04                30
 06/29/2025   18:36:49   (  77.81, -99.03) 06/29/2025   18:37:59  (  77.79, -99.07)    2.67                70
 06/29/2025   19:27:33   ( -77.77,  68.48) 06/29/2025   19:27:19  ( -77.78,  68.59)    2.91                14
 07/02/2025   05:49:00   (  77.78,  93.14) 07/02/2025   05:49:02  (  77.79,  93.11)    0.84                 2