Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 5.  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)
 10/06/2025   11:34:24   ( -76.31,-164.35) 10/06/2025   11:34:47  ( -76.31,-164.46)    2.89                23
 10/06/2025   12:25:08   (  76.26,   3.16) 10/06/2025   12:24:13  (  76.29,   3.14)    3.51                55
 10/09/2025   03:51:02   ( -76.34, -48.55) 10/09/2025   03:51:17  ( -76.31, -48.56)    3.91                15
 10/09/2025   04:41:46   (  76.30, 118.94) 10/09/2025   04:40:43  (  76.29, 119.02)    2.26                63
 10/11/2025   19:17:04   (  76.76,-101.59) 10/11/2025   19:18:11  (  76.68, -99.05)   65.37                67
 10/11/2025   20:07:39   ( -76.35,  67.37) 10/11/2025   20:07:46  ( -76.33,  67.37)    2.01                 7
 10/11/2025   20:58:23   (  76.30,-125.16) 10/11/2025   20:57:12  (  76.30,-125.06)    2.75                71
 10/14/2025   11:33:33   (  76.47,  15.49) 10/14/2025   11:34:44  (  76.43,  15.94)   12.86                71
 10/14/2025   12:24:15   ( -76.36,-176.75) 10/14/2025   12:24:13  ( -76.36,-176.64)    2.89                 2
 10/14/2025   13:14:54   (  76.10,  -8.48) 10/14/2025   13:13:43  (  76.14,  -9.71)   33.24                71
 10/17/2025   03:50:08   (  76.41, 131.65) 10/17/2025   03:51:12  (  76.42, 131.81)    4.18                64
 10/17/2025   04:40:51   ( -76.34, -60.75) 10/17/2025   04:40:41  ( -76.35, -60.77)    1.96                10