Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 9 16.  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)
 09/18/2025   04:38:25   (  78.17, 110.76) 09/18/2025   04:38:43  (  78.15, 110.62)    3.54                18
 09/18/2025   05:29:08   ( -78.13, -81.70) 09/18/2025   05:28:04  ( -78.13, -81.79)    2.08                64
 09/20/2025   14:59:50   ( -78.20, 135.29) 09/20/2025   15:00:15  ( -78.20, 135.40)    2.54                25
 09/20/2025   15:50:34   (  78.15, -57.10) 09/20/2025   15:49:33  (  78.17, -57.04)    3.45                61
 09/23/2025   01:21:16   (  78.19, 160.07) 09/23/2025   01:21:45  (  78.22, 160.08)    4.11                29
 09/23/2025   02:12:00   ( -78.18, -32.57) 09/23/2025   02:11:07  ( -78.16, -32.52)    1.80                53
 09/25/2025   11:42:42   ( -78.22,-175.40) 09/25/2025   11:43:19  ( -78.20,-175.46)    2.14                37
 09/25/2025   12:33:26   (  78.17,  -7.83) 09/25/2025   12:32:37  (  78.17,  -7.91)    1.66                49
 09/27/2025   22:04:08   (  78.22,-150.71) 09/27/2025   22:04:48  (  78.24,-150.70)    2.27                40
 09/27/2025   22:54:52   ( -78.20,  16.71) 09/27/2025   22:54:10  ( -78.18,  16.70)    2.13                42
 09/30/2025   08:25:34   ( -78.25,-126.16) 09/30/2025   08:26:21  ( -78.24,-126.16)    1.33                47