Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 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)
 07/23/2025   14:20:09   (  76.09, -26.98) 07/23/2025   14:21:21  (  76.06, -26.90)    4.40                72
 07/23/2025   15:10:51   ( -76.00, 140.67) 07/23/2025   15:10:49  ( -76.03, 140.65)    3.62                 2
 07/23/2025   16:01:30   (  75.71, -51.01) 07/23/2025   16:00:20  (  75.77, -52.51)   41.52                70
 07/26/2025   06:36:48   (  76.07,  89.00) 07/26/2025   06:37:50  (  76.08,  89.05)    1.82                62
 07/26/2025   07:27:31   ( -76.02,-103.51) 07/26/2025   07:27:19  ( -76.01,-103.54)    1.71                12
 07/28/2025   22:53:27   (  76.10,-155.19) 07/28/2025   22:54:18  (  76.09,-155.04)    4.02                51
 07/28/2025   23:44:09   ( -76.01,  12.46) 07/28/2025   23:43:47  ( -76.02,  12.38)    2.69                22
 07/31/2025   15:10:06   (  76.08, -39.23) 07/31/2025   15:10:47  (  76.08, -39.18)    1.38                41
 07/31/2025   16:00:49   ( -76.04, 128.25) 07/31/2025   16:00:16  ( -76.01, 128.24)    2.93                33
 08/03/2025   07:26:45   (  76.08,  76.71) 08/03/2025   07:27:16  (  76.05,  76.62)    3.35                31
 08/03/2025   08:17:28   ( -76.03,-115.81) 08/03/2025   08:16:44  ( -76.04,-115.79)    0.92                44
 08/05/2025   23:43:24   (  76.07,-167.37) 08/05/2025   23:43:44  (  76.06,-167.47)    2.90                20