Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 10.  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)
 10/11/2025   19:17:04   (  76.77,-101.62) 10/11/2025   19:18:11  (  76.69, -99.05)   66.13                67
 10/11/2025   20:07:39   ( -76.35,  67.33) 10/11/2025   20:07:46  ( -76.32,  67.36)    3.45                 7
 10/11/2025   20:58:23   (  76.31,-125.18) 10/11/2025   20:57:12  (  76.31,-125.05)    3.50                71
 10/14/2025   11:33:34   (  76.46,  15.51) 10/14/2025   11:34:46  (  76.41,  15.89)   11.44                72
 10/14/2025   12:24:16   ( -76.35,-176.75) 10/14/2025   12:24:15  ( -76.34,-176.71)    1.90                 1
 10/14/2025   13:14:55   (  76.09,  -8.45) 10/14/2025   13:13:44  (  76.17,  -9.60)   32.08                71
 10/17/2025   03:50:09   (  76.39, 131.74) 10/17/2025   03:51:15  (  76.40, 131.74)    1.80                66
 10/17/2025   04:40:52   ( -76.36, -60.85) 10/17/2025   04:40:43  ( -76.33, -60.86)    3.14                 9
 10/17/2025   05:31:23   (  75.74, 108.70) 10/17/2025   05:30:19  (  75.82, 105.19)   96.40                64
 10/19/2025   20:06:45   (  76.40,-112.40) 10/19/2025   20:07:42  (  76.42,-112.32)    2.87                57
 10/19/2025   20:57:29   ( -76.37,  55.03) 10/19/2025   20:57:11  ( -76.35,  55.09)    2.91                18
 10/22/2025   12:23:22   (  76.42,   3.43) 10/22/2025   12:24:10  (  76.41,   3.55)    3.27                48
 10/22/2025   13:14:05   ( -76.35, 171.05) 10/22/2025   13:13:39  ( -76.35, 170.97)    2.00                26