Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 27.  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)
 09/28/2025   10:44:32   ( -76.32,-152.14) 09/28/2025   10:45:19  ( -76.32,-152.04)    2.79                47
 09/28/2025   11:35:16   (  76.26,  15.41) 09/28/2025   11:34:46  (  76.26,  15.40)    0.20                30
 10/01/2025   03:01:10   ( -76.31, -36.19) 10/01/2025   03:01:47  ( -76.31, -36.19)    0.52                37
 10/01/2025   03:51:54   (  76.26, 131.34) 10/01/2025   03:51:14  (  76.24, 131.24)    2.99                40
 10/03/2025   19:17:47   ( -76.31,  79.72) 10/03/2025   19:18:13  ( -76.31,  79.70)    0.86                26
 10/03/2025   20:08:31   (  76.26,-112.77) 10/03/2025   20:07:39  (  76.29,-112.72)    3.06                52
 10/06/2025   11:34:25   ( -76.33,-164.40) 10/06/2025   11:34:39  ( -76.32,-164.37)    0.93                14
 10/06/2025   12:25:09   (  76.28,   3.09) 10/06/2025   12:24:05  (  76.30,   3.20)    3.43                64
 10/09/2025   03:00:23   (  76.54, 143.36) 10/09/2025   03:01:34  (  76.46, 144.36)   27.56                71
 10/09/2025   03:51:03   ( -76.35, -48.56) 10/09/2025   03:51:04  ( -76.34, -48.39)    4.26                 1
 10/09/2025   04:41:44   (  76.17, 119.41) 10/09/2025   04:40:31  (  76.27, 119.00)   15.41                73
 10/11/2025   19:16:56   (  76.36,-100.00) 10/11/2025   19:18:01  (  76.35,-100.10)    2.79                65
 10/11/2025   20:07:40   ( -76.33,  67.42) 10/11/2025   20:07:29  ( -76.33,  67.47)    1.26                11