Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 9 20.  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)
 09/20/2025   14:59:50   ( -78.17, 135.45) 09/20/2025   15:00:16  ( -78.19, 135.34)    3.05                26
 09/20/2025   15:50:35   (  78.15, -57.14) 09/20/2025   15:49:34  (  78.17, -57.07)    2.22                61
 09/23/2025   01:21:16   (  78.19, 160.01) 09/23/2025   01:21:45  (  78.21, 160.03)    1.85                29
 09/23/2025   02:11:59   ( -78.15, -32.42) 09/23/2025   02:11:07  ( -78.15, -32.59)    4.02                52
 09/25/2025   11:42:42   ( -78.23,-175.48) 09/25/2025   11:43:18  ( -78.22,-175.36)    2.96                36
 09/25/2025   12:33:26   (  78.18,  -7.90) 09/25/2025   12:32:36  (  78.20,  -7.79)    3.10                50
 09/27/2025   22:04:08   (  78.23,-150.80) 09/27/2025   22:04:48  (  78.21,-150.83)    2.53                40
 09/27/2025   22:54:51   ( -78.18,  16.83) 09/27/2025   22:54:09  ( -78.20,  16.76)    2.25                42
 09/30/2025   08:25:33   ( -78.23,-126.07) 09/30/2025   08:26:20  ( -78.24,-126.15)    2.02                47
 09/30/2025   09:16:17   (  78.19,  41.46) 09/30/2025   09:15:38  (  78.21,  41.42)    2.41                39
 10/02/2025   18:46:59   (  78.25,-101.48) 10/02/2025   18:47:49  (  78.24,-101.56)    2.25                50