Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 13.  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)
 09/15/2025   02:12:03   (  76.23, 155.96) 09/15/2025   02:12:19  (  76.24, 155.97)    1.52                16
 09/15/2025   03:02:46   ( -76.20, -36.61) 09/15/2025   03:01:47  ( -76.22, -36.48)    3.69                59
 09/17/2025   17:38:09   ( -76.78, 102.40) 09/17/2025   17:39:14  ( -76.73, 105.84)   87.78                65
 09/17/2025   18:28:42   (  76.23, -88.12) 09/17/2025   18:28:50  (  76.23, -88.19)    2.00                 8
 09/17/2025   19:19:25   ( -76.19,  79.33) 09/17/2025   19:18:18  ( -76.21,  79.37)    2.09                67
 09/20/2025   09:54:40   ( -76.48,-140.46) 09/20/2025   09:55:51  ( -76.38,-139.49)   27.53                71
 09/20/2025   10:45:20   (  76.23,  27.79) 09/20/2025   10:45:19  (  76.26,  27.77)    3.36                 1
 09/20/2025   11:36:01   ( -76.10,-164.42) 09/20/2025   11:34:48  ( -76.19,-164.82)   14.58                73
 09/23/2025   02:11:15   ( -76.30, -23.88) 09/23/2025   02:12:23  ( -76.30, -23.87)    0.46                68
 09/23/2025   03:01:59   (  76.24, 143.67) 09/23/2025   03:01:50  (  76.23, 143.54)    3.81                 9
 09/23/2025   03:52:33   ( -75.79, -47.40) 09/23/2025   03:51:26  ( -75.82, -50.10)   73.49                67
 09/25/2025   18:27:54   ( -76.31,  92.01) 09/25/2025   18:28:53  ( -76.30,  92.01)    0.83                59
 09/25/2025   19:18:38   (  76.25,-100.46) 09/25/2025   19:18:19  (  76.27,-100.43)    2.86                19