Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 23.  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)
 10/25/2025   04:39:57   (  76.43, 119.34) 10/25/2025   04:40:39  (  76.39, 119.35)    3.96                42
 10/25/2025   05:30:40   ( -76.36, -73.08) 10/25/2025   05:30:07  ( -76.37, -73.10)    0.95                33
 10/27/2025   20:56:33   (  76.43,-124.76) 10/27/2025   20:57:09  (  76.40,-124.75)    3.69                36
 10/27/2025   21:47:16   ( -76.36,  42.83) 10/27/2025   21:46:37  ( -76.38,  42.81)    1.68                39
 10/30/2025   13:13:08   (  76.40,  -8.71) 10/30/2025   13:13:38  (  76.40,  -8.85)    3.64                30
 10/30/2025   14:03:52   ( -76.38, 158.71) 10/30/2025   14:03:06  ( -76.38, 158.71)    0.90                46
 11/02/2025   05:29:43   (  76.43, 107.13) 11/02/2025   05:30:04  (  76.45, 107.19)    3.08                21
 11/02/2025   06:20:27   ( -76.40, -85.44) 11/02/2025   06:19:33  ( -76.38, -85.40)    1.66                54
 11/04/2025   21:46:19   (  76.46,-137.06) 11/04/2025   21:46:31  (  76.44,-136.95)    3.20                12