Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 2.  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   19:17:47   ( -76.32,  79.69) 10/03/2025   19:18:16  ( -76.33,  79.75)    1.66                29
 10/03/2025   20:08:31   (  76.27,-112.78) 10/03/2025   20:07:43  (  76.27,-112.81)    0.71                48
 10/06/2025   11:34:24   ( -76.30,-164.32) 10/06/2025   11:34:47  ( -76.31,-164.43)    3.04                23
 10/06/2025   12:25:09   (  76.30,   3.02) 10/06/2025   12:24:13  (  76.29,   3.15)    3.65                56
 10/09/2025   03:51:02   ( -76.34, -48.55) 10/09/2025   03:51:16  ( -76.35, -48.44)    2.99                14
 10/09/2025   04:41:46   (  76.30, 118.93) 10/09/2025   04:40:43  (  76.28, 118.98)    2.76                63
 10/11/2025   19:17:02   (  76.73,-101.46) 10/11/2025   19:18:10  (  76.65, -99.19)   58.92                68
 10/11/2025   20:07:38   ( -76.36,  67.33) 10/11/2025   20:07:44  ( -76.34,  67.41)    2.88                 6
 10/11/2025   20:58:21   (  76.27,-125.04) 10/11/2025   20:57:11  (  76.26,-125.18)    4.00                70
 10/14/2025   11:33:31   (  76.41,  15.74) 10/14/2025   11:34:43  (  76.40,  15.86)    3.32                72
 10/14/2025   12:24:14   ( -76.34,-176.67) 10/14/2025   12:24:12  ( -76.33,-176.73)    1.58                 2