Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 9 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)
 09/18/2025   04:38:24   (  78.15, 110.83) 09/18/2025   04:38:42  (  78.16, 110.69)    3.35                18
 09/18/2025   05:29:08   ( -78.15, -81.86) 09/18/2025   05:28:03  ( -78.15, -81.72)    3.14                65
 09/20/2025   14:59:50   ( -78.19, 135.35) 09/20/2025   15:00:16  ( -78.17, 135.27)    2.74                26
 09/20/2025   15:50:34   (  78.14, -57.04) 09/20/2025   15:49:34  (  78.14, -57.17)    3.23                60
 09/23/2025   01:21:17   (  78.21, 159.90) 09/23/2025   01:21:46  (  78.19, 159.95)    2.49                29
 09/23/2025   02:12:00   ( -78.17, -32.51) 09/23/2025   02:11:07  ( -78.18, -32.44)    2.33                53
 09/25/2025   11:42:42   ( -78.21,-175.34) 09/25/2025   11:43:19  ( -78.22,-175.37)    1.68                37
 09/25/2025   12:33:26   (  78.16,  -7.78) 09/25/2025   12:32:37  (  78.19,  -7.82)    3.30                49
 09/27/2025   22:04:08   (  78.21,-150.66) 09/27/2025   22:04:49  (  78.22,-150.81)    3.47                41