Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 10 27.  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)
 10/29/2025   12:42:20   ( -78.36, 169.73) 10/29/2025   12:43:16  ( -78.38, 169.62)    3.16                56
 10/29/2025   13:33:04   (  78.34, -22.82) 10/29/2025   13:32:35  (  78.37, -22.77)    3.50                29
 10/31/2025   23:03:43   (  78.38,-165.64) 10/31/2025   23:04:37  (  78.40,-165.67)    2.77                54
 10/31/2025   23:54:27   ( -78.35,   1.86) 10/31/2025   23:53:57  ( -78.36,   1.80)    2.01                30
 11/03/2025   09:25:06   ( -78.39,-140.99) 11/03/2025   09:25:58  ( -78.41,-141.01)    2.61                52
 11/03/2025   10:15:50   (  78.37,  26.45) 11/03/2025   10:15:18  (  78.36,  26.40)    1.65                32
 11/05/2025   19:46:28   (  78.42,-116.45) 11/05/2025   19:47:17  (  78.43,-116.31)    3.39                49
 11/05/2025   20:37:12   ( -78.39,  51.07) 11/05/2025   20:36:37  ( -78.39,  51.16)    2.00                35
 11/08/2025   06:07:50   ( -78.41, -91.63) 11/08/2025   06:08:37  ( -78.44, -91.66)    3.63                47