Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 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)
 12/22/2022   06:08:02   (  72.46,  88.00) 12/22/2022   06:08:36  (  72.45,  88.00)    1.43                34
 12/22/2022   06:58:45   ( -72.38,-104.52) 12/22/2022   06:58:05  ( -72.38,-104.49)    1.04                40
 12/24/2022   20:44:50   (  73.23,-132.75) 12/24/2022   20:45:56  (  73.13,-130.06)   87.04                66
 12/24/2022   21:35:19   ( -72.44,  36.26) 12/24/2022   21:35:37  ( -72.43,  36.22)    1.48                18
 12/24/2022   22:26:04   (  72.34,-156.23) 12/24/2022   22:25:04  (  72.34,-156.31)    2.65                60
 12/27/2022   12:11:55   ( -72.60, 176.81) 12/27/2022   12:13:07  ( -72.57, 177.09)    9.93                72
 12/27/2022   13:02:38   (  72.41, -15.48) 12/27/2022   13:02:35  (  72.42, -15.55)    2.65                 3
 12/27/2022   13:53:19   ( -72.21, 152.22) 12/27/2022   13:52:06  ( -72.25, 151.78)   15.52                73
 12/30/2022   03:39:12   (  72.48, 125.25) 12/30/2022   03:40:06  (  72.48, 125.18)    2.36                54
 12/30/2022   04:29:56   ( -72.44, -67.33) 12/30/2022   04:29:35  ( -72.42, -67.29)    2.11                21
 01/01/2023   19:06:28   ( -72.47,  73.50) 01/01/2023   19:07:05  ( -72.47,  73.41)    3.13                37
 01/01/2023   19:57:14   (  72.43,-119.12) 01/01/2023   19:56:31  (  72.42,-119.04)    3.31                43