Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 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)
 05/16/2025   20:47:34   (  77.91,-133.38) 05/16/2025   20:48:41  (  77.83,-130.71)   63.00                67
 05/16/2025   21:38:09   ( -77.55,  35.78) 05/16/2025   21:38:08  ( -77.54,  35.78)    0.96                 1
 05/19/2025   07:59:39   (  77.57,  60.38) 05/19/2025   07:59:56  (  77.56,  60.36)    1.06                17
 05/19/2025   08:50:22   ( -77.52,-132.09) 05/19/2025   08:49:18  ( -77.51,-132.18)    2.85                64
 05/21/2025   18:21:08   ( -77.61,  84.88) 05/21/2025   18:21:47  ( -77.57,  84.89)    4.25                39
 05/21/2025   19:11:52   (  77.55,-107.54) 05/21/2025   19:11:05  (  77.55,-107.51)    0.73                47
 05/24/2025   04:42:37   (  77.61, 109.58) 05/24/2025   04:43:34  (  77.59, 109.49)    2.66                57
 05/24/2025   05:33:20   ( -77.55, -82.84) 05/24/2025   05:32:56  ( -77.55, -83.02)    4.40                24
 05/26/2025   15:04:11   ( -77.85, 133.05) 05/26/2025   15:05:21  ( -77.76, 134.67)   39.07                70
 05/26/2025   15:54:50   (  77.60, -58.38) 05/26/2025   15:54:42  (  77.60, -58.32)    1.36                 8
 05/29/2025   02:16:18   ( -77.60, -33.67) 05/29/2025   02:16:32  ( -77.62, -33.76)    2.89                14