Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 3.  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)
 10/03/2025   19:17:48   ( -76.34,  79.63) 10/03/2025   19:18:17  ( -76.31,  79.69)    3.38                29
 10/03/2025   20:08:32   (  76.28,-112.84) 10/03/2025   20:07:44  (  76.25,-112.87)    3.64                48
 10/06/2025   11:34:24   ( -76.32,-164.38) 10/06/2025   11:34:46  ( -76.34,-164.34)    2.54                22
 10/06/2025   12:25:08   (  76.27,   3.13) 10/06/2025   12:24:13  (  76.27,   3.09)    1.30                55
 10/09/2025   03:51:01   ( -76.31, -48.44) 10/09/2025   03:51:16  ( -76.32, -48.51)    2.33                15
 10/09/2025   04:41:45   (  76.27, 119.05) 10/09/2025   04:40:42  (  76.30, 119.06)    3.74                63
 10/11/2025   19:17:03   (  76.74,-101.51) 10/11/2025   19:18:11  (  76.62, -99.28)   58.70                68
 10/11/2025   20:07:38   ( -76.32,  67.45) 10/11/2025   20:07:45  ( -76.31,  67.32)    3.78                 7
 10/11/2025   20:58:22   (  76.28,-125.08) 10/11/2025   20:57:11  (  76.28,-125.12)    0.90                71
 10/14/2025   11:33:32   (  76.42,  15.70) 10/14/2025   11:34:43  (  76.41,  15.91)    5.60                71
 10/14/2025   12:24:15   ( -76.35,-176.71) 10/14/2025   12:24:12  ( -76.35,-176.67)    1.09                 3
 10/14/2025   13:14:52   (  76.00,  -8.12) 10/14/2025   13:13:43  (  76.07,  -9.90)   48.49                69
 10/17/2025   03:50:06   (  76.37, 131.80) 10/17/2025   03:51:09  (  76.40, 131.77)    3.35                63
 10/17/2025   04:40:50   ( -76.34, -60.77) 10/17/2025   04:40:38  ( -76.34, -60.81)    1.39                12