Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 9 11.  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)
 09/13/2025   07:55:32   (  78.14,  61.51) 09/13/2025   07:55:37  (  78.14,  61.46)    1.36                 5
 09/13/2025   08:46:11   ( -77.95,-130.12) 09/13/2025   08:45:00  ( -78.03,-131.36)   30.27                71
 09/15/2025   18:16:58   ( -78.17,  86.05) 09/15/2025   18:17:11  ( -78.17,  86.17)    2.71                13
 09/15/2025   19:07:42   (  78.11,-106.30) 09/15/2025   19:06:30  (  78.11,-106.47)    3.79                72
 09/18/2025   04:38:25   (  78.18, 110.69) 09/18/2025   04:38:42  (  78.19, 110.79)    2.59                17
 09/18/2025   05:29:08   ( -78.14, -81.76) 09/18/2025   05:28:04  ( -78.13, -81.80)    1.17                64
 09/20/2025   14:59:50   ( -78.17, 135.46) 09/20/2025   15:00:16  ( -78.20, 135.43)    4.02                26
 09/20/2025   15:50:35   (  78.16, -57.16) 09/20/2025   15:49:34  (  78.17, -57.03)    3.46                61
 09/23/2025   01:21:17   (  78.20, 160.01) 09/23/2025   01:21:47  (  78.19, 159.93)    2.18                30
 09/23/2025   02:12:01   ( -78.18, -32.60) 09/23/2025   02:11:08  ( -78.18, -32.45)    3.52                53
 09/25/2025   11:42:43   ( -78.22,-175.41) 09/25/2025   11:43:20  ( -78.23,-175.33)    2.14                37