Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 27.  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   07:26:51   (  73.85,  68.15) 07/29/2023   07:27:58  (  73.76,  70.61)   76.80                67
 07/29/2023   08:17:22   ( -73.20,-123.00) 07/29/2023   08:17:37  ( -73.17,-123.00)    2.90                15
 07/29/2023   09:08:07   (  73.08,  44.56) 07/29/2023   09:07:04  (  73.09,  44.47)    2.91                63
 07/31/2023   22:53:56   ( -73.77,  16.60) 07/31/2023   22:55:04  ( -73.71,  18.73)   66.90                68
 07/31/2023   23:44:31   (  73.17,-174.69) 07/31/2023   23:44:39  (  73.20,-174.69)    3.84                 8
 08/01/2023   00:35:14   ( -73.11,  -7.24) 08/01/2023   00:34:09  ( -73.09,  -7.29)    2.76                65
 08/03/2023   14:21:01   (  73.56, -34.64) 08/03/2023   14:22:11  (  73.46, -33.56)   36.08                70
 08/03/2023   15:11:38   ( -73.20, 133.50) 08/03/2023   15:11:44  ( -73.19, 133.52)    1.55                 6
 08/03/2023   16:02:23   (  73.09, -58.95) 08/03/2023   16:01:11  (  73.09, -59.03)    2.63                72
 08/06/2023   05:48:04   ( -73.45, -86.11) 08/06/2023   05:49:16  ( -73.37, -85.51)   21.11                72
 08/06/2023   06:38:46   (  73.19,  81.77) 08/06/2023   06:38:44  (  73.22,  81.83)    3.19                 2
 08/06/2023   07:29:28   ( -73.08,-110.66) 08/06/2023   07:28:14  ( -73.11,-110.76)    4.76                74
 08/08/2023   21:15:09   (  73.25,-137.41) 08/08/2023   21:16:19  (  73.27,-137.47)    2.29                70
 08/08/2023   22:05:52   ( -73.19,  30.06) 08/08/2023   22:05:48  ( -73.21,  30.05)    2.98                 4