Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 9.  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)
 04/10/2025   06:01:54   ( -77.39, -90.31) 04/10/2025   06:03:03  ( -77.40, -90.24)    2.78                69
 04/10/2025   06:52:39   (  77.35,  77.18) 04/10/2025   06:52:24  (  77.33,  77.15)    2.11                15
 04/12/2025   17:14:10   ( -77.38, 101.72) 04/12/2025   17:14:22  ( -77.38, 101.81)    2.44                12
 04/12/2025   18:04:55   (  77.34, -90.80) 04/12/2025   18:03:42  (  77.35, -90.65)    3.72                73
 04/15/2025   03:35:43   (  77.41, 126.23) 04/15/2025   03:36:20  (  77.38, 126.27)    3.51                37
 04/15/2025   04:26:25   ( -77.34, -66.11) 04/15/2025   04:25:40  ( -77.37, -66.11)    3.36                45
 04/17/2025   13:57:13   ( -77.42, 150.89) 04/17/2025   13:58:17  ( -77.42, 150.87)    0.63                64
 04/17/2025   14:47:58   (  77.39, -41.64) 04/17/2025   14:47:37  (  77.37, -41.66)    2.15                21
 04/20/2025   01:09:28   ( -77.40, -17.03) 04/20/2025   01:09:33  ( -77.42, -17.00)    1.57                 5
 04/20/2025   02:00:06   (  77.07, 151.77) 04/20/2025   01:58:58  (  77.12, 149.56)   55.24                68
 04/22/2025   11:30:59   (  77.43,   7.53) 04/22/2025   11:31:27  (  77.41,   7.45)    2.78                28