Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 22.  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   14:51:35   ( -76.53, 146.87) 11/23/2025   14:52:32  ( -76.55, 146.89)    2.76                57
 11/23/2025   15:42:19   (  76.48, -45.61) 11/23/2025   15:41:59  (  76.49, -45.69)    2.57                20
 11/26/2025   07:08:08   ( -76.55, -97.26) 11/26/2025   07:09:00  ( -76.55, -97.25)    0.17                52
 11/26/2025   07:58:52   (  76.49,  70.26) 11/26/2025   07:58:27  (  76.48,  70.16)    3.15                25
 11/28/2025   23:24:42   ( -76.57,  18.58) 11/28/2025   23:25:28  ( -76.57,  18.70)    3.05                46
 11/29/2025   00:15:26   (  76.52,-173.89) 11/29/2025   00:14:55  (  76.50,-173.90)    2.33                31
 12/01/2025   15:41:15   ( -76.56, 134.57) 12/01/2025   15:41:56  ( -76.57, 134.58)    0.83                41
 12/01/2025   16:31:59   (  76.50, -57.90) 12/01/2025   16:31:23  (  76.49, -58.02)    3.54                36
 12/04/2025   07:57:48   ( -76.55,-109.46) 12/04/2025   07:58:24  ( -76.54,-109.61)    3.84                36