Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 20.  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   12:24:08  (  76.43,   3.60)    3.50                47
 10/22/2025   13:14:04   ( -76.34, 171.06) 10/22/2025   13:13:37  ( -76.35, 170.97)    2.54                27
 10/25/2025   04:39:57   (  76.41, 119.41) 10/25/2025   04:40:35  (  76.40, 119.40)    1.08                38
 10/25/2025   05:30:41   ( -76.38, -73.17) 10/25/2025   05:30:03  ( -76.37, -73.05)    3.27                38
 10/27/2025   20:56:33   (  76.42,-124.71) 10/27/2025   20:57:00  (  76.44,-124.59)    3.58                27
 10/27/2025   21:47:16   ( -76.35,  42.89) 10/27/2025   21:46:29  ( -76.36,  42.81)    2.70                47
 10/30/2025   13:13:07   (  76.40,  -8.69) 10/30/2025   13:13:25  (  76.39,  -8.84)    4.01                18
 10/30/2025   14:03:51   ( -76.37, 158.74) 10/30/2025   14:02:53  ( -76.37, 158.72)    0.60                58
 11/02/2025   04:39:09   ( -76.89, -62.07) 11/02/2025   04:40:15  ( -76.82, -59.12)   75.00                66
 11/02/2025   05:29:43   (  76.43, 107.11) 11/02/2025   05:29:49  (  76.41, 107.11)    2.88                 6