Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 13.  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)
 11/15/2025   14:01:53   ( -76.50, 159.19) 11/15/2025   14:03:04  ( -76.50, 159.09)    2.55                71
 11/15/2025   14:52:37   (  76.45, -33.33) 11/15/2025   14:52:30  (  76.48, -33.32)    3.48                 7
 11/15/2025   15:43:13   ( -76.08, 135.37) 11/15/2025   15:42:05  ( -76.12, 133.13)   60.04                68
 11/18/2025   06:18:28   ( -76.54, -85.06) 11/18/2025   06:19:33  ( -76.53, -84.93)    3.65                65
 11/18/2025   07:09:11   (  76.46,  82.60) 11/18/2025   07:09:00  (  76.46,  82.48)    3.15                11
 11/18/2025   07:59:43   ( -75.91,-108.06) 11/18/2025   07:58:39  ( -75.91,-111.65)   97.18                64
 11/20/2025   22:35:01   ( -76.52,  30.98) 11/20/2025   22:36:02  ( -76.51,  30.86)    3.35                61
 11/20/2025   23:25:45   (  76.47,-161.53) 11/20/2025   23:25:28  (  76.48,-161.58)    1.46                17
 11/23/2025   14:51:34   ( -76.55, 146.79) 11/23/2025   14:52:28  ( -76.52, 146.79)    3.85                54
 11/23/2025   15:42:18   (  76.51, -45.71) 11/23/2025   15:41:54  (  76.49, -45.66)    2.34                24
 11/26/2025   07:08:07   ( -76.55, -97.28) 11/26/2025   07:08:53  ( -76.56, -97.15)    3.46                46
 11/26/2025   07:58:51   (  76.51,  70.22) 11/26/2025   07:58:20  (  76.49,  70.22)    2.44                31