Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 19.  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)
 11/20/2025   22:35:02   ( -76.55,  30.87) 11/20/2025   22:36:04  ( -76.51,  30.87)    3.98                62
 11/20/2025   23:25:46   (  76.50,-161.62) 11/20/2025   23:25:30  (  76.49,-161.55)    1.98                16
 11/23/2025   14:51:34   ( -76.51, 146.93) 11/23/2025   14:52:32  ( -76.53, 146.81)    3.48                58
 11/23/2025   15:42:19   (  76.51, -45.73) 11/23/2025   15:41:58  (  76.51, -45.62)    2.97                21
 11/26/2025   07:08:08   ( -76.53, -97.21) 11/26/2025   07:09:01  ( -76.53, -97.32)    3.10                53
 11/26/2025   07:58:52   (  76.48,  70.31) 11/26/2025   07:58:27  (  76.50,  70.24)    2.75                25
 11/28/2025   23:24:42   ( -76.56,  18.62) 11/28/2025   23:25:29  ( -76.55,  18.64)    1.45                47
 11/29/2025   00:15:26   (  76.51,-173.86) 11/29/2025   00:14:55  (  76.52,-173.80)    2.19                31
 12/01/2025   15:41:15   ( -76.55, 134.60) 12/01/2025   15:41:57  ( -76.55, 134.53)    1.86                42
 12/01/2025   16:31:59   (  76.50, -57.87) 12/01/2025   16:31:23  (  76.52, -57.92)    3.23                36