Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 5 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)
 05/16/2025   20:47:34   (  77.90,-133.34) 05/16/2025   20:48:41  (  77.83,-130.68)   62.73                67
 05/16/2025   21:38:09   ( -77.54,  35.82) 05/16/2025   21:38:08  ( -77.55,  35.82)    1.01                 1
 05/19/2025   07:59:39   (  77.56,  60.41) 05/19/2025   07:59:56  (  77.57,  60.39)    0.98                17
 05/19/2025   08:50:22   ( -77.52,-132.05) 05/19/2025   08:49:18  ( -77.52,-132.15)    2.29                64
 05/21/2025   18:21:08   ( -77.60,  84.91) 05/21/2025   18:21:47  ( -77.58,  84.92)    2.54                39
 05/21/2025   19:11:52   (  77.55,-107.50) 05/21/2025   19:11:05  (  77.56,-107.48)    1.55                47
 05/24/2025   04:42:37   (  77.60, 109.61) 05/24/2025   04:43:34  (  77.60, 109.51)    2.54                57
 05/24/2025   05:33:21   ( -77.59, -83.00) 05/24/2025   05:32:56  ( -77.56, -83.00)    3.23                25
 05/26/2025   15:04:12   ( -77.88, 132.88) 05/26/2025   15:05:21  ( -77.77, 134.69)   44.20                69
 05/26/2025   15:54:50   (  77.59, -58.35) 05/26/2025   15:54:42  (  77.60, -58.31)    1.39                 8
 05/29/2025   02:16:18   ( -77.63, -33.84) 05/29/2025   02:16:31  ( -77.62, -33.75)    2.66                13