Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 28.  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,  68.14) 07/29/2023   07:27:58  (  73.76,  70.60)   77.05                67
 07/29/2023   08:17:21   ( -73.15,-122.90) 07/29/2023   08:17:37  ( -73.17,-123.01)    3.89                16
 07/29/2023   09:08:07   (  73.09,  44.55) 07/29/2023   09:07:04  (  73.08,  44.47)    2.82                63
 07/31/2023   22:53:56   ( -73.78,  16.59) 07/31/2023   22:55:04  ( -73.71,  18.74)   67.29                68
 07/31/2023   23:44:31   (  73.17,-174.69) 07/31/2023   23:44:40  (  73.15,-174.79)    3.74                 9
 08/01/2023   00:35:14   ( -73.11,  -7.25) 08/01/2023   00:34:09  ( -73.09,  -7.28)    2.90                65
 08/03/2023   14:21:01   (  73.56, -34.65) 08/03/2023   14:22:11  (  73.47, -33.54)   36.43                70
 08/03/2023   15:11:38   ( -73.20, 133.50) 08/03/2023   15:11:44  ( -73.20, 133.53)    1.30                 6
 08/03/2023   16:02:23   (  73.09, -58.95) 08/03/2023   16:01:11  (  73.10, -59.01)    2.29                72
 08/06/2023   05:48:06   ( -73.50, -86.23) 08/06/2023   05:49:17  ( -73.39, -85.48)   26.84                71
 08/06/2023   06:38:47   (  73.19,  81.78) 08/06/2023   06:38:46  (  73.19,  81.76)    0.90                 1
 08/06/2023   07:29:28   ( -73.08,-110.66) 08/06/2023   07:28:15  ( -73.08,-110.83)    5.67                73
 08/08/2023   21:15:10   (  73.30,-137.52) 08/08/2023   21:16:19  (  73.30,-137.41)    3.50                69
 08/08/2023   22:05:52   ( -73.18,  30.06) 08/08/2023   22:05:49  ( -73.19,  30.01)    2.22                 3