Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 14.  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)
 10/17/2025   03:50:09   (  76.41, 131.63) 10/17/2025   03:51:14  (  76.40, 131.74)    3.09                65
 10/17/2025   04:40:52   ( -76.35, -60.80) 10/17/2025   04:40:43  ( -76.33, -60.87)    2.92                 9
 10/19/2025   20:06:45   (  76.39,-112.37) 10/19/2025   20:07:42  (  76.40,-112.38)    0.88                57
 10/19/2025   20:57:29   ( -76.37,  55.05) 10/19/2025   20:57:10  ( -76.37,  55.17)    3.33                19
 10/22/2025   12:23:21   (  76.43,   3.43) 10/22/2025   12:24:08  (  76.42,   3.57)    3.59                47
 10/22/2025   13:14:04   ( -76.35, 171.03) 10/22/2025   13:13:37  ( -76.35, 170.97)    1.65                27
 10/25/2025   04:39:57   (  76.42, 119.37) 10/25/2025   04:40:35  (  76.41, 119.43)    1.99                38
 10/25/2025   05:30:40   ( -76.35, -73.02) 10/25/2025   05:30:04  ( -76.34, -73.16)    3.62                36
 10/27/2025   20:56:33   (  76.43,-124.72) 10/27/2025   20:57:01  (  76.43,-124.63)    2.40                28