Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 21.  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, 146.88) 11/23/2025   14:52:32  ( -76.56, 146.91)    3.82                57
 11/23/2025   15:42:19   (  76.47, -45.60) 11/23/2025   15:41:59  (  76.49, -45.67)    2.90                20
 11/26/2025   07:08:08   ( -76.54, -97.25) 11/26/2025   07:09:00  ( -76.56, -97.22)    1.71                52
 11/26/2025   07:58:52   (  76.49,  70.28) 11/26/2025   07:58:27  (  76.49,  70.19)    2.14                25
 11/28/2025   23:24:42   ( -76.57,  18.60) 11/28/2025   23:25:29  ( -76.53,  18.59)    3.58                47
 11/29/2025   00:15:26   (  76.51,-173.87) 11/29/2025   00:14:55  (  76.51,-173.85)    0.73                31
 12/01/2025   15:41:15   ( -76.55, 134.60) 12/01/2025   15:41:57  ( -76.54, 134.49)    3.02                42
 12/01/2025   16:31:59   (  76.50, -57.87) 12/01/2025   16:31:23  (  76.51, -57.95)    2.73                36
 12/04/2025   07:57:49   ( -76.59,-109.61) 12/04/2025   07:58:24  ( -76.57,-109.51)    3.01                35