Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 4 8.  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)
 04/09/2022   23:31:25   (  72.32,-175.03) 04/09/2022   23:32:34  (  72.24,-173.61)   49.08                69
 04/10/2022   00:21:59   ( -71.79,  -6.69) 04/10/2022   00:22:10  ( -71.80,  -6.74)    1.87                11
 04/10/2022   01:12:44   (  71.69, 160.81) 04/10/2022   01:11:37  (  71.71, 160.74)    3.21                67
 04/12/2022   14:58:30   ( -72.27, 133.32) 04/12/2022   14:59:40  ( -72.19, 134.52)   41.91                70
 04/12/2022   15:49:08   (  71.82, -58.50) 04/12/2022   15:49:12  (  71.82, -58.47)    1.07                 4
 04/12/2022   16:39:51   ( -71.74, 108.96) 04/12/2022   16:38:42  ( -71.71, 108.97)    3.24                69
 04/15/2022   06:25:34   (  72.05,  81.98) 04/15/2022   06:26:46  (  71.97,  82.38)   16.49                72
 04/15/2022   07:16:14   ( -71.82,-110.25) 04/15/2022   07:16:17  ( -71.81,-110.27)    0.78                 3
 04/15/2022   08:06:57   (  71.62,  57.41) 04/15/2022   08:05:45  (  71.65,  57.11)   11.06                72
 04/17/2022   21:52:38   ( -72.00,  30.33) 04/17/2022   21:53:50  ( -71.95,  30.56)    9.94                72
 04/17/2022   22:43:21   (  71.82,-162.01) 04/17/2022   22:43:17  (  71.84,-161.97)    3.24                 4
 04/17/2022   23:34:02   ( -71.62,   5.66) 04/17/2022   23:32:48  ( -71.68,   5.39)   11.77                74
 04/20/2022   13:19:44   (  71.91, -21.26) 04/20/2022   13:20:52  (  71.91, -21.27)    0.78                68
 04/20/2022   14:10:27   ( -71.81, 146.24) 04/20/2022   14:10:22  ( -71.80, 146.18)    2.20                 5