Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 11.  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   19:17:05   (  76.80,-101.74) 10/11/2025   19:18:11  (  76.70, -99.00)   70.58                66
 10/11/2025   20:07:39   ( -76.34,  67.38) 10/11/2025   20:07:46  ( -76.34,  67.40)    0.74                 7
 10/11/2025   20:58:23   (  76.29,-125.13) 10/11/2025   20:57:13  (  76.27,-125.16)    2.36                70
 10/14/2025   11:33:34   (  76.50,  15.39) 10/14/2025   11:34:45  (  76.42,  15.93)   16.15                71
 10/14/2025   12:24:15   ( -76.34,-176.71) 10/14/2025   12:24:14  ( -76.35,-176.68)    0.85                 1
 10/14/2025   13:14:54   (  76.08,  -8.41) 10/14/2025   13:13:44  (  76.14,  -9.73)   35.79                70
 10/17/2025   03:50:08   (  76.38, 131.77) 10/17/2025   03:51:14  (  76.41, 131.76)    3.58                66
 10/17/2025   04:40:52   ( -76.35, -60.81) 10/17/2025   04:40:43  ( -76.34, -60.84)    1.77                 9
 10/17/2025   05:31:24   (  75.77, 108.58) 10/17/2025   05:30:20  (  75.78, 105.06)   96.26                64
 10/19/2025   20:06:45   (  76.40,-112.38) 10/19/2025   20:07:42  (  76.42,-112.32)    2.93                57
 10/19/2025   20:57:29   ( -76.37,  55.05) 10/19/2025   20:57:11  ( -76.35,  55.09)    2.14                18
 10/22/2025   12:23:22   (  76.42,   3.44) 10/22/2025   12:24:10  (  76.41,   3.53)    2.76                48
 10/22/2025   13:14:05   ( -76.35, 171.05) 10/22/2025   13:13:39  ( -76.34, 170.94)    3.01                26