Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 23.  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)
 10/25/2025   04:39:57   (  76.40, 119.47) 10/25/2025   04:40:40  (  76.38, 119.32)    3.98                43
 10/25/2025   05:30:40   ( -76.37, -73.12) 10/25/2025   05:30:07  ( -76.36, -73.12)    1.28                33
 10/27/2025   20:56:32   (  76.40,-124.63) 10/27/2025   20:57:09  (  76.42,-124.68)    2.41                37
 10/27/2025   21:47:16   ( -76.38,  42.79) 10/27/2025   21:46:38  ( -76.35,  42.72)    3.13                38
 10/30/2025   13:13:08   (  76.42,  -8.77) 10/30/2025   13:13:39  (  76.43,  -8.78)    1.24                31
 10/30/2025   14:03:52   ( -76.39, 158.66) 10/30/2025   14:03:08  ( -76.36, 158.63)    3.14                44
 11/02/2025   05:29:44   (  76.44, 107.07) 11/02/2025   05:30:08  (  76.45, 107.18)    3.25                24
 11/02/2025   06:20:27   ( -76.37, -85.32) 11/02/2025   06:19:37  ( -76.39, -85.40)    3.15                50
 11/04/2025   21:46:18   (  76.43,-136.95) 11/04/2025   21:46:36  (  76.45,-136.95)    2.23                18