Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 25.  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   (  76.40, 119.46) 10/25/2025   04:40:39  (  76.43, 119.47)    3.51                42
 10/25/2025   05:30:41   ( -76.37, -73.14) 10/25/2025   05:30:08  ( -76.35, -73.15)    2.36                33
 10/27/2025   20:56:32   (  76.40,-124.64) 10/27/2025   20:57:09  (  76.42,-124.70)    2.07                37
 10/27/2025   21:47:16   ( -76.38,  42.77) 10/27/2025   21:46:37  ( -76.39,  42.85)    2.44                39
 10/30/2025   13:13:08   (  76.42,  -8.77) 10/30/2025   13:13:39  (  76.42,  -8.81)    0.96                31
 10/30/2025   14:03:52   ( -76.39, 158.65) 10/30/2025   14:03:07  ( -76.40, 158.76)    2.91                45
 11/02/2025   05:29:44   (  76.44, 107.07) 11/02/2025   05:30:08  (  76.45, 107.16)    2.42                24
 11/02/2025   06:20:27   ( -76.37, -85.33) 11/02/2025   06:19:37  ( -76.38, -85.43)    2.88                50
 11/04/2025   21:46:19   (  76.43,-136.95) 11/04/2025   21:46:37  (  76.44,-136.97)    1.82                18
 11/04/2025   22:37:03   ( -76.40,  30.48) 11/04/2025   22:36:06  ( -76.38,  30.45)    2.25                57
 11/07/2025   14:02:54   (  76.47, -21.17) 11/07/2025   14:03:04  (  76.46, -21.03)    3.70                10