Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 7 18.  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)
 07/19/2025   07:09:54   (  77.87,  72.91) 07/19/2025   07:10:19  (  77.89,  72.88)    2.45                25
 07/19/2025   08:00:38   ( -77.85,-119.70) 07/19/2025   07:59:39  ( -77.85,-119.63)    1.69                59
 07/21/2025   17:31:21   ( -77.90,  97.42) 07/21/2025   17:32:01  ( -77.88,  97.35)    3.41                40
 07/21/2025   18:22:05   (  77.86, -95.03) 07/21/2025   18:21:21  (  77.84, -95.12)    2.82                44
 07/24/2025   03:52:47   (  77.91, 122.07) 07/24/2025   03:53:41  (  77.91, 122.00)    1.95                54
 07/24/2025   04:43:31   ( -77.90, -70.54) 07/24/2025   04:43:01  ( -77.87, -70.49)    3.74                30
 07/26/2025   14:14:13   ( -77.92, 146.76) 07/26/2025   14:15:22  ( -77.92, 146.60)    3.65                69
 07/26/2025   15:04:58   (  77.91, -45.90) 07/26/2025   15:04:42  (  77.88, -45.90)    3.43                16
 07/29/2025   00:35:51   (  78.36, 168.96) 07/29/2025   00:36:55  (  78.28, 172.74)   85.58                64
 07/29/2025   01:26:24   ( -77.92, -21.23) 07/29/2025   01:26:22  ( -77.94, -21.14)    2.85                 2
 07/31/2025   11:47:51   (  77.94,   3.38) 07/31/2025   11:48:03  (  77.92,   3.32)    2.36                12