Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 30.  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)
 10/01/2025   03:01:10   ( -76.32, -36.20) 10/01/2025   03:01:47  ( -76.31, -36.20)    1.33                37
 10/01/2025   03:51:54   (  76.26, 131.33) 10/01/2025   03:51:14  (  76.24, 131.23)    3.17                40
 10/03/2025   19:17:47   ( -76.32,  79.69) 10/03/2025   19:18:13  ( -76.30,  79.68)    2.12                26
 10/03/2025   20:08:31   (  76.27,-112.79) 10/03/2025   20:07:39  (  76.29,-112.74)    2.32                52
 10/06/2025   11:34:25   ( -76.34,-164.45) 10/06/2025   11:34:39  ( -76.31,-164.39)    3.24                14
 10/06/2025   12:25:09   (  76.29,   3.04) 10/06/2025   12:24:05  (  76.29,   3.18)    3.63                64
 10/09/2025   03:00:23   (  76.57, 143.28) 10/09/2025   03:01:34  (  76.46, 144.34)   30.18                71
 10/09/2025   03:51:02   ( -76.32, -48.47) 10/09/2025   03:51:04  ( -76.34, -48.42)    2.03                 2
 10/09/2025   04:41:44   (  76.19, 119.33) 10/09/2025   04:40:31  (  76.26, 118.99)   12.12                73
 10/11/2025   19:16:56   (  76.39,-100.12) 10/11/2025   19:18:00  (  76.39, -99.97)    4.09                64
 10/11/2025   20:07:39   ( -76.32,  67.46) 10/11/2025   20:07:29  ( -76.32,  67.44)    0.61                10