Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 11 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)
 11/23/2022   05:49:03   ( -72.55, -87.75) 11/23/2022   05:50:14  ( -72.49, -87.31)   16.74                71
 11/23/2022   06:39:46   (  72.33,  80.01) 11/23/2022   06:39:42  (  72.35,  80.08)    3.55                 4
 11/23/2022   07:30:26   ( -72.11,-112.25) 11/23/2022   07:29:13  ( -72.17,-112.60)   13.92                73
 11/25/2022   21:16:21   (  72.37,-139.20) 11/25/2022   21:17:18  (  72.38,-139.26)    2.14                57
 11/25/2022   22:07:04   ( -72.31,  28.25) 11/25/2022   22:06:47  ( -72.32,  28.26)    0.89                17
 11/28/2022   12:43:40   ( -72.41, 168.93) 11/28/2022   12:44:22  ( -72.39, 168.99)    2.74                42
 11/28/2022   13:34:25   (  72.29, -23.52) 11/28/2022   13:33:49  (  72.30, -23.53)    1.39                36
 12/01/2022   04:10:59   (  72.35, 117.25) 12/01/2022   04:11:23  (  72.36, 117.18)    2.94                24
 12/01/2022   05:01:42   ( -72.27, -75.29) 12/01/2022   05:00:52  ( -72.30, -75.30)    2.66                50
 12/03/2022   18:47:42   (  72.82,-102.83) 12/03/2022   18:48:52  (  72.72,-101.54)   43.58                70
 12/03/2022   19:38:17   ( -72.34,  65.48) 12/03/2022   19:38:27  ( -72.35,  65.39)    3.30                10
 12/03/2022   20:29:03   (  72.27,-127.09) 12/03/2022   20:27:54  (  72.25,-127.15)    3.25                69