Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 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)
 11/23/2025   14:51:34   ( -76.52, 146.92) 11/23/2025   14:52:32  ( -76.52, 146.77)    4.03                58
 11/23/2025   15:42:19   (  76.51, -45.73) 11/23/2025   15:41:58  (  76.50, -45.64)    2.19                21
 11/26/2025   07:08:08   ( -76.53, -97.21) 11/26/2025   07:09:00  ( -76.56, -97.21)    2.73                52
 11/26/2025   07:58:52   (  76.48,  70.32) 11/26/2025   07:58:27  (  76.49,  70.20)    3.31                25
 11/28/2025   23:24:42   ( -76.56,  18.64) 11/28/2025   23:25:29  ( -76.53,  18.57)    3.37                47
 11/29/2025   00:15:26   (  76.50,-173.83) 11/29/2025   00:14:55  (  76.51,-173.86)    1.00                31
 12/01/2025   15:41:15   ( -76.54, 134.63) 12/01/2025   15:41:56  ( -76.58, 134.62)    3.90                41
 12/01/2025   16:32:00   (  76.53, -58.00) 12/01/2025   16:31:23  (  76.51, -57.98)    2.76                37
 12/04/2025   07:57:48   ( -76.58,-109.57) 12/04/2025   07:58:23  ( -76.56,-109.56)    2.29                35
 12/04/2025   08:48:32   (  76.52,  57.97) 12/04/2025   08:47:49  (  76.53,  57.99)    1.25                43
 12/07/2025   00:14:21   ( -76.58,   6.38) 12/07/2025   00:14:50  ( -76.56,   6.35)    1.52                29