Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 15.  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)
 07/15/2025   14:20:53   ( -76.02, 152.88) 07/15/2025   14:21:19  ( -76.03, 153.01)    3.94                26
 07/15/2025   15:11:37   (  75.97, -39.62) 07/15/2025   15:10:46  (  75.97, -39.55)    1.94                51
 07/18/2025   06:37:33   ( -76.03, -91.25) 07/18/2025   06:37:50  ( -76.01, -91.18)    2.86                17
 07/18/2025   07:28:17   (  75.97,  76.26) 07/18/2025   07:27:17  (  75.94,  76.25)    3.83                60
 07/20/2025   22:03:38   (  76.46,-144.24) 07/20/2025   22:04:45  (  76.38,-141.74)   65.77                67
 07/20/2025   22:54:12   ( -76.00,  24.77) 07/20/2025   22:54:20  ( -76.02,  24.74)    3.00                 8
 07/20/2025   23:44:56   (  75.94,-167.72) 07/20/2025   23:43:47  (  75.95,-167.84)    3.38                69
 07/23/2025   14:20:09   (  76.11, -27.06) 07/23/2025   14:21:20  (  76.09, -26.81)    7.39                71
 07/23/2025   15:10:51   ( -76.01, 140.62) 07/23/2025   15:10:49  ( -76.02, 140.62)    1.14                 2
 07/23/2025   16:01:30   (  75.73, -51.09) 07/23/2025   16:00:20  (  75.75, -52.56)   40.41                70
 07/26/2025   06:36:48   (  76.09,  88.94) 07/26/2025   06:37:50  (  76.08,  89.03)    3.00                62
 07/26/2025   07:27:31   ( -76.03,-103.55) 07/26/2025   07:27:19  ( -76.01,-103.53)    2.47                12
 07/28/2025   22:53:27   (  76.07,-155.08) 07/28/2025   22:54:20  (  76.05,-155.16)    3.02                53
 07/28/2025   23:44:10   ( -76.01,  12.43) 07/28/2025   23:43:48  ( -76.04,  12.43)    2.65                22