Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 28.  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)
 10/30/2025   13:13:08   (  76.42,  -8.78) 10/30/2025   13:13:39  (  76.43,  -8.78)    0.91                31
 10/30/2025   14:03:52   ( -76.40, 158.63) 10/30/2025   14:03:07  ( -76.40, 158.77)    3.63                45
 11/02/2025   05:29:44   (  76.44, 107.06) 11/02/2025   05:30:09  (  76.42, 107.05)    3.17                25
 11/02/2025   06:20:27   ( -76.37, -85.35) 11/02/2025   06:19:37  ( -76.39, -85.39)    2.32                50
 11/04/2025   21:46:19   (  76.43,-136.96) 11/04/2025   21:46:38  (  76.43,-137.04)    2.03                19
 11/04/2025   22:37:03   ( -76.40,  30.46) 11/04/2025   22:36:06  ( -76.41,  30.53)    1.87                57
 11/07/2025   14:02:53   (  76.43, -21.02) 11/07/2025   14:03:05  (  76.46, -21.05)    3.38                12
 11/07/2025   14:53:37   ( -76.40, 146.41) 11/07/2025   14:52:34  ( -76.39, 146.37)    1.42                63
 11/10/2025   05:28:54   ( -76.90, -74.30) 11/10/2025   05:30:01  ( -76.78, -71.70)   66.97                67
 11/10/2025   06:19:29   (  76.48,  94.73) 11/10/2025   06:19:33  (  76.46,  94.86)    3.65                 4