Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 8 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)
 08/17/2025   13:08:52   (  78.02, -16.86) 08/17/2025   13:08:51  (  77.99, -16.93)    3.37                 1
 08/17/2025   13:59:23   ( -77.51, 153.09) 08/17/2025   13:58:20  ( -77.57, 148.97)   99.07                63
 08/19/2025   23:30:19   ( -78.05,   7.68) 08/19/2025   23:30:29  ( -78.01,   7.69)    4.23                10
 08/20/2025   00:21:01   (  77.90, 175.80) 08/20/2025   00:19:48  (  77.98, 175.24)   16.05                73
 08/22/2025   09:51:47   (  78.04,  32.42) 08/22/2025   09:52:05  (  78.04,  32.36)    1.36                18
 08/22/2025   10:42:30   ( -78.01,-160.10) 08/22/2025   10:41:26  ( -77.99,-160.16)    2.14                64
 08/24/2025   20:13:14   ( -78.07,  56.94) 08/24/2025   20:13:43  ( -78.05,  56.95)    2.99                29
 08/24/2025   21:03:58   (  78.01,-135.38) 08/24/2025   21:03:02  (  78.00,-135.57)    4.52                56
 08/27/2025   06:34:41   (  78.08,  81.63) 08/27/2025   06:35:17  (  78.08,  81.64)    0.55                36
 08/27/2025   07:25:24   ( -78.04,-110.87) 08/27/2025   07:24:38  ( -78.05,-110.82)    1.60                46
 08/29/2025   16:56:07   ( -78.07, 106.34) 08/29/2025   16:56:55  ( -78.08, 106.18)    3.87                48