Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2025 4 17.  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)
 04/17/2025   13:57:13   ( -77.42, 150.89) 04/17/2025   13:58:17  ( -77.42, 150.88)    0.61                64
 04/17/2025   14:47:58   (  77.38, -41.60) 04/17/2025   14:47:37  (  77.38, -41.60)    0.78                21
 04/20/2025   01:09:28   ( -77.40, -17.01) 04/20/2025   01:09:34  ( -77.38, -17.14)    3.43                 6
 04/20/2025   02:00:06   (  77.06, 151.82) 04/20/2025   01:58:58  (  77.14, 149.64)   54.81                68
 04/22/2025   11:30:59   (  77.42,   7.58) 04/22/2025   11:31:27  (  77.44,   7.57)    3.24                28
 04/22/2025   12:21:42   ( -77.39, 175.04) 04/22/2025   12:20:48  ( -77.40, 175.06)    1.28                54
 04/24/2025   21:52:29   ( -77.45,  32.10) 04/24/2025   21:53:23  ( -77.43,  32.00)    3.35                54
 04/24/2025   22:43:14   (  77.42,-160.42) 04/24/2025   22:42:42  (  77.41,-160.40)    0.53                32
 04/27/2025   08:14:03   (  77.58,  56.19) 04/27/2025   08:15:15  (  77.50,  56.73)   15.69                72
 04/27/2025   09:04:43   ( -77.42,-135.74) 04/27/2025   09:04:37  ( -77.42,-135.91)    4.17                 6
 04/29/2025   19:26:15   (  77.47,-111.31) 04/29/2025   19:26:28  (  77.48,-111.18)    3.40                13