Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 22.  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)
 12/22/2022   06:08:02   (  72.47,  87.98) 12/22/2022   06:08:36  (  72.44,  87.99)    3.27                34
 12/22/2022   06:58:45   ( -72.39,-104.54) 12/22/2022   06:58:05  ( -72.37,-104.51)    2.59                40
 12/24/2022   20:44:50   (  73.24,-132.77) 12/24/2022   20:45:56  (  73.13,-130.08)   87.52                66
 12/24/2022   21:35:19   ( -72.45,  36.23) 12/24/2022   21:35:37  ( -72.42,  36.20)    2.87                18
 12/24/2022   22:26:04   (  72.34,-156.25) 12/24/2022   22:25:04  (  72.33,-156.32)    2.82                60
 12/27/2022   12:11:55   ( -72.61, 176.79) 12/27/2022   12:13:07  ( -72.57, 177.08)   11.06                72
 12/27/2022   13:02:38   (  72.42, -15.50) 12/27/2022   13:02:35  (  72.42, -15.55)    1.75                 3
 12/27/2022   13:53:19   ( -72.22, 152.20) 12/27/2022   13:52:06  ( -72.25, 151.77)   14.71                73
 12/30/2022   03:39:12   (  72.50, 125.23) 12/30/2022   03:40:06  (  72.48, 125.18)    2.13                54
 12/30/2022   04:29:55   ( -72.40, -67.25) 12/30/2022   04:29:35  ( -72.42, -67.29)    3.06                20
 01/01/2023   19:06:28   ( -72.48,  73.48) 01/01/2023   19:07:05  ( -72.47,  73.42)    2.18                37
 01/01/2023   19:57:13   (  72.39,-119.04) 01/01/2023   19:56:31  (  72.42,-119.03)    3.33                42
 01/04/2023   09:43:17   ( -73.32,-147.43) 01/04/2023   09:44:23  ( -73.19,-144.58)   92.50                66
 01/04/2023   10:33:47   (  72.49,  21.66) 01/04/2023   10:34:01  (  72.51,  21.74)    3.22                14
 01/04/2023   11:24:30   ( -72.38,-170.80) 01/04/2023   11:23:31  ( -72.40,-170.83)    2.27                59