Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 6.  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)
 04/07/2025   19:40:24   (  77.38,-114.96) 04/07/2025   19:41:05  (  77.35,-114.89)    3.42                41
 04/07/2025   20:31:06   ( -77.30,  52.71) 04/07/2025   20:30:25  ( -77.32,  52.68)    2.47                41
 04/10/2025   06:01:54   ( -77.40, -90.36) 04/10/2025   06:03:03  ( -77.40, -90.24)    2.98                69
 04/10/2025   06:52:38   (  77.32,  77.30) 04/10/2025   06:52:24  (  77.32,  77.12)    4.38                14
 04/12/2025   17:14:09   ( -77.35, 101.85) 04/12/2025   17:14:22  ( -77.39, 101.83)    4.12                13
 04/12/2025   18:04:54   (  77.32, -90.68) 04/12/2025   18:03:42  (  77.35, -90.65)    3.72                72
 04/15/2025   03:35:42   (  77.39, 126.34) 04/15/2025   03:36:20  (  77.39, 126.30)    0.96                38
 04/15/2025   04:26:25   ( -77.36, -66.19) 04/15/2025   04:25:41  ( -77.33, -66.24)    2.92                44
 04/17/2025   13:57:13   ( -77.44, 150.78) 04/17/2025   13:58:17  ( -77.44, 150.94)    3.88                64
 04/17/2025   14:47:57   (  77.37, -41.56) 04/17/2025   14:47:37  (  77.38, -41.59)    1.81                20
 04/20/2025   01:09:27   ( -77.39, -16.96) 04/20/2025   01:09:34  ( -77.40, -17.07)    2.87                 7