Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 7 26.  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)
 07/26/2025   14:14:14   ( -77.95, 146.56) 07/26/2025   14:15:21  ( -77.95, 146.74)    4.09                67
 07/26/2025   15:04:58   (  77.90, -45.85) 07/26/2025   15:04:42  (  77.88, -45.92)    3.34                16
 07/29/2025   00:35:50   (  78.31, 169.23) 07/29/2025   00:36:55  (  78.26, 172.66)   77.55                65
 07/29/2025   01:26:24   ( -77.92, -21.22) 07/29/2025   01:26:22  ( -77.91, -21.25)    1.28                 2
 07/31/2025   11:47:51   (  77.93,   3.42) 07/31/2025   11:48:02  (  77.93,   3.37)    1.06                11
 07/31/2025   12:38:34   ( -77.89, 170.97) 07/31/2025   12:37:22  ( -77.90, 170.89)    2.14                72
 08/02/2025   22:09:17   ( -77.95,  28.00) 08/02/2025   22:09:42  ( -77.94,  27.96)    1.38                25
 08/02/2025   23:00:01   (  77.90,-164.40) 08/02/2025   22:59:02  (  77.90,-164.56)    3.89                59
 08/05/2025   08:30:44   (  77.97,  52.61) 08/05/2025   08:31:21  (  77.97,  52.62)    0.24                37
 08/05/2025   09:21:26   ( -77.93,-139.84) 08/05/2025   09:20:40  ( -77.95,-139.81)    2.34                46
 08/07/2025   18:52:09   ( -78.00,  77.15) 08/07/2025   18:53:00  ( -77.97,  77.14)    3.69                51