Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 17.  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)
 09/20/2025   09:54:40   ( -76.44,-140.34) 09/20/2025   09:55:52  ( -76.35,-139.58)   22.41                72
 09/20/2025   10:45:21   (  76.24,  27.75) 09/20/2025   10:45:20  (  76.24,  27.70)    1.39                 1
 09/20/2025   11:36:02   ( -76.11,-164.47) 09/20/2025   11:34:49  ( -76.16,-164.91)   12.95                73
 09/23/2025   02:11:15   ( -76.31, -23.93) 09/23/2025   02:12:22  ( -76.31, -23.84)    2.45                67
 09/23/2025   03:01:59   (  76.25, 143.63) 09/23/2025   03:01:49  (  76.24, 143.58)    1.59                10
 09/23/2025   03:52:32   ( -75.75, -47.30) 09/23/2025   03:51:26  ( -75.78, -50.21)   79.73                66
 09/25/2025   18:27:54   ( -76.32,  91.95) 09/25/2025   18:28:52  ( -76.30,  92.00)    3.26                58
 09/25/2025   19:18:38   (  76.26,-100.51) 09/25/2025   19:18:18  (  76.27,-100.43)    2.45                20
 09/28/2025   10:44:32   ( -76.29,-152.02) 09/28/2025   10:45:21  ( -76.32,-152.05)    2.87                49
 09/28/2025   11:35:16   (  76.24,  15.50) 09/28/2025   11:34:48  (  76.24,  15.35)    3.98                28
 10/01/2025   03:01:11   ( -76.31, -36.17) 10/01/2025   03:01:50  ( -76.32, -36.16)    1.25                39
 10/01/2025   03:51:55   (  76.26, 131.32) 10/01/2025   03:51:17  (  76.25, 131.24)    2.78                38