Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 6 15.  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)
 06/15/2025   04:28:03   (  77.68, 113.42) 06/15/2025   04:27:34  (  77.66, 113.32)    3.35                29
 06/17/2025   13:58:47   (  77.73, -29.46) 06/17/2025   13:59:58  (  77.76, -29.42)    3.57                71
 06/17/2025   14:49:31   ( -77.70, 138.01) 06/17/2025   14:49:20  ( -77.69, 137.93)    2.56                11
 06/20/2025   01:10:59   (  77.73, 162.58) 06/20/2025   01:11:03  (  77.74, 162.65)    1.94                 4
 06/20/2025   02:01:38   ( -77.49, -28.93) 06/20/2025   02:00:27  ( -77.57, -30.38)   35.71                71
 06/22/2025   11:32:27   ( -77.75,-172.84) 06/22/2025   11:32:49  ( -77.73,-172.87)    2.52                22
 06/22/2025   12:23:11   (  77.73,  -5.39) 06/22/2025   12:22:08  (  77.69,  -5.34)    3.70                63
 06/24/2025   21:53:54   (  77.75,-148.12) 06/24/2025   21:54:32  (  77.75,-148.24)    3.07                38
 06/24/2025   22:44:38   ( -77.71,  19.39) 06/24/2025   22:43:53  ( -77.72,  19.26)    3.02                45
 06/27/2025   08:15:22   ( -77.77,-123.55) 06/27/2025   08:16:16  ( -77.80,-123.52)    3.31                54