Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 10.  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)
 07/10/2025   05:47:33   ( -75.97, -78.77) 07/10/2025   05:48:19  ( -75.99, -78.87)    3.24                46
 07/10/2025   06:38:17   (  75.92,  88.72) 07/10/2025   06:37:46  (  75.92,  88.57)    3.96                31
 07/12/2025   22:04:14   ( -76.02,  36.97) 07/12/2025   22:04:50  ( -75.99,  37.01)    3.26                36
 07/12/2025   22:54:58   (  75.97,-155.54) 07/12/2025   22:54:16  (  75.97,-155.41)    3.47                42
 07/15/2025   14:20:53   ( -76.02, 152.87) 07/15/2025   14:21:19  ( -76.03, 153.00)    3.76                26
 07/15/2025   15:11:37   (  75.97, -39.64) 07/15/2025   15:10:46  (  75.96, -39.58)    2.58                51
 07/18/2025   06:37:33   ( -76.03, -91.25) 07/18/2025   06:37:50  ( -76.01, -91.19)    3.01                17
 07/18/2025   07:28:17   (  75.98,  76.24) 07/18/2025   07:27:16  (  75.98,  76.38)    3.68                61
 07/20/2025   22:03:38   (  76.46,-144.25) 07/20/2025   22:04:45  (  76.38,-141.76)   65.59                67
 07/20/2025   22:54:12   ( -75.99,  24.78) 07/20/2025   22:54:20  ( -76.02,  24.74)    3.28                 8
 07/20/2025   23:44:56   (  75.94,-167.73) 07/20/2025   23:43:47  (  75.94,-167.86)    3.55                69
 07/23/2025   14:20:09   (  76.07, -26.89) 07/23/2025   14:21:21  (  76.08, -26.82)    2.78                72
 07/23/2025   15:10:52   ( -76.01, 140.64) 07/23/2025   15:10:50  ( -76.02, 140.63)    1.97                 2