Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 29.  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)
 07/29/2023   07:26:52   (  73.89,  68.05) 07/29/2023   07:27:58  (  73.77,  70.63)   81.10                66
 07/29/2023   08:17:22   ( -73.19,-122.99) 07/29/2023   08:17:37  ( -73.18,-122.99)    1.72                15
 07/29/2023   09:08:07   (  73.08,  44.57) 07/29/2023   09:07:04  (  73.09,  44.49)    3.40                63
 07/31/2023   22:53:57   ( -73.82,  16.49) 07/31/2023   22:55:04  ( -73.72,  18.76)   71.37                67
 07/31/2023   23:44:31   (  73.16,-174.67) 07/31/2023   23:44:40  (  73.17,-174.76)    3.06                 9
 08/01/2023   00:35:14   ( -73.10,  -7.23) 08/01/2023   00:34:09  ( -73.10,  -7.26)    1.13                65
 08/03/2023   14:21:01   (  73.55, -34.62) 08/03/2023   14:22:12  (  73.43, -33.62)   34.41                71
 08/03/2023   15:11:38   ( -73.19, 133.52) 08/03/2023   15:11:44  ( -73.21, 133.56)    2.29                 6
 08/03/2023   16:02:24   (  73.13, -59.04) 08/03/2023   16:01:11  (  73.12, -58.98)    2.34                73
 08/06/2023   05:48:05   ( -73.49, -86.20) 08/06/2023   05:49:17  ( -73.35, -85.55)   25.75                72
 08/06/2023   06:38:46   (  73.18,  81.80) 08/06/2023   06:38:45  (  73.21,  81.80)    2.65                 1
 08/06/2023   07:29:28   ( -73.07,-110.63) 08/06/2023   07:28:15  ( -73.09,-110.79)    5.93                73
 08/08/2023   21:15:10   (  73.29,-137.49) 08/08/2023   21:16:20  (  73.27,-137.47)    2.00                70
 08/08/2023   22:05:53   ( -73.22,  29.98) 08/08/2023   22:05:49  ( -73.21,  30.05)    2.56                 4
 08/08/2023   22:56:31   (  72.76,-161.72) 08/08/2023   22:55:21  (  72.85,-163.02)   43.94                70
 08/11/2023   12:42:16   ( -73.28, 170.79) 08/11/2023   12:43:24  ( -73.26, 170.75)    2.30                68
 08/11/2023   13:33:02   (  73.23, -21.79) 08/11/2023   13:32:50  (  73.21, -21.70)    3.30                12