Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 22.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2025   12:23:21   (  76.41,   3.49) 10/22/2025   12:24:09  (  76.38,   3.45)    3.05                48
 10/22/2025   13:14:04   ( -76.34, 171.07) 10/22/2025   13:13:37  ( -76.35, 170.98)    2.58                27
 10/25/2025   04:39:57   (  76.41, 119.42) 10/25/2025   04:40:35  (  76.41, 119.43)    0.36                38
 10/25/2025   05:30:41   ( -76.38, -73.16) 10/25/2025   05:30:03  ( -76.38, -73.03)    3.43                38
 10/27/2025   20:56:33   (  76.42,-124.68) 10/27/2025   20:57:01  (  76.41,-124.69)    1.02                28
 10/27/2025   21:47:16   ( -76.39,  42.74) 10/27/2025   21:46:28  ( -76.38,  42.86)    3.21                48
 10/30/2025   13:13:08   (  76.43,  -8.82) 10/30/2025   13:13:25  (  76.42,  -8.75)    2.52                17
 10/30/2025   14:03:51   ( -76.36, 158.78) 10/30/2025   14:02:54  ( -76.35, 158.65)    3.45                57
 11/02/2025   04:39:10   ( -76.92, -62.19) 11/02/2025   04:40:16  ( -76.81, -59.14)   78.05                66
 11/02/2025   05:29:43   (  76.42, 107.17) 11/02/2025   05:29:50  (  76.41, 107.10)    2.28                 7
 11/02/2025   06:20:27   ( -76.38, -85.39) 11/02/2025   06:19:18  ( -76.38, -85.34)    1.45                69
 11/04/2025   20:55:35   ( -76.48,  55.54) 11/04/2025   20:56:47  ( -76.48,  55.62)    2.22                72
 11/04/2025   21:46:18   (  76.41,-136.87) 11/04/2025   21:46:14  (  76.41,-136.99)    3.28                 4