Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 6 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)
 06/20/2025   01:10:59   (  77.71, 162.69) 06/20/2025   01:11:04  (  77.71, 162.56)    3.35                 5
 06/20/2025   02:01:38   ( -77.47, -28.84) 06/20/2025   02:00:28  ( -77.54, -30.49)   40.39                70
 06/22/2025   11:32:26   ( -77.73,-172.74) 06/22/2025   11:32:48  ( -77.75,-172.79)    2.07                22
 06/22/2025   12:23:10   (  77.70,  -5.28) 06/22/2025   12:22:07  (  77.72,  -5.24)    1.69                63
 06/24/2025   21:53:54   (  77.77,-148.22) 06/24/2025   21:54:31  (  77.78,-148.15)    1.96                37
 06/24/2025   22:44:38   ( -77.73,  19.28) 06/24/2025   22:43:52  ( -77.74,  19.34)    1.63                46
 06/27/2025   08:15:22   ( -77.80,-123.67) 06/27/2025   08:16:16  ( -77.78,-123.63)    2.23                54
 06/27/2025   09:06:05   (  77.73,  43.97) 06/27/2025   09:05:35  (  77.75,  43.93)    2.31                30
 06/29/2025   18:36:49   (  77.80, -99.00) 06/29/2025   18:37:59  (  77.78, -99.08)    2.88                70
 06/29/2025   19:27:33   ( -77.76,  68.51) 06/29/2025   19:27:19  ( -77.78,  68.58)    2.53                14