Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 21.  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)
 07/21/2023   09:55:59   (  73.15,  32.34) 07/21/2023   09:56:23  (  73.16,  32.27)    2.23                24
 07/21/2023   10:46:42   ( -73.09,-160.21) 07/21/2023   10:45:52  ( -73.09,-160.23)    0.72                50
 07/24/2023   01:23:05   ( -73.15, -19.41) 07/24/2023   01:23:28  ( -73.17, -19.46)    2.98                23
 07/24/2023   02:13:51   (  73.09, 148.03) 07/24/2023   02:12:55  (  73.09, 148.01)    0.80                56
 07/26/2023   16:50:15   (  73.17, -71.19) 07/26/2023   16:50:32  (  73.15, -71.28)    3.67                17
 07/26/2023   17:40:58   ( -73.10,  96.27) 07/26/2023   17:40:01  ( -73.08,  96.23)    2.34                57
 07/29/2023   07:26:51   (  73.84,  68.17) 07/29/2023   07:27:58  (  73.75,  70.60)   75.82                67
 07/29/2023   08:17:22   ( -73.18,-122.96) 07/29/2023   08:17:37  ( -73.17,-123.00)    1.49                15
 07/29/2023   09:08:08   (  73.12,  44.47) 07/29/2023   09:07:03  (  73.13,  44.57)    3.25                65
 07/31/2023   22:53:56   ( -73.76,  16.63) 07/31/2023   22:55:04  ( -73.70,  18.72)   65.43                68
 07/31/2023   23:44:31   (  73.16,-174.67) 07/31/2023   23:44:39  (  73.19,-174.71)    3.34                 8
 08/01/2023   00:35:14   ( -73.10,  -7.21) 08/01/2023   00:34:09  ( -73.08,  -7.30)    3.37                65
 08/03/2023   14:20:59   (  73.51, -34.51) 08/03/2023   14:22:10  (  73.43, -33.61)   29.75                71
 08/03/2023   15:11:37   ( -73.19, 133.53) 08/03/2023   15:11:43  ( -73.17, 133.48)    2.71                 6