Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 8 15.  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)
 08/17/2022   11:47:32   (  72.42,   1.92) 08/17/2022   11:48:43  (  72.29,   2.74)   31.29                71
 08/17/2022   12:38:09   ( -72.04, 169.99) 08/17/2022   12:38:15  ( -72.06, 169.97)    2.53                 6
 08/17/2022   13:28:54   (  71.94, -22.52) 08/17/2022   13:27:42  (  71.97, -22.55)    2.94                72
 08/20/2022   03:14:35   ( -72.47, -49.90) 08/20/2022   03:15:46  ( -72.35, -48.91)   35.85                71
 08/20/2022   04:05:14   (  72.08, 118.18) 08/20/2022   04:05:17  (  72.04, 118.18)    3.67                 3
 08/20/2022   04:55:57   ( -71.99, -74.35) 08/20/2022   04:54:46  ( -71.98, -74.29)    2.46                71
 08/22/2022   18:41:38   (  72.41,-101.54) 08/22/2022   18:42:49  (  72.27,-100.81)   29.43                71
 08/22/2022   19:32:16   ( -72.07,  66.46) 08/22/2022   19:32:21  ( -72.05,  66.43)    2.59                 5
 08/22/2022   20:23:00   (  71.94,-125.99) 08/22/2022   20:21:48  (  71.95,-126.10)    4.08                72
 08/25/2022   10:08:40   ( -72.45,-153.35) 08/25/2022   10:09:51  ( -72.32,-152.49)   32.70                71
 08/25/2022   10:59:19   (  72.08,  14.70) 08/25/2022   10:59:21  (  72.06,  14.69)    2.24                 2
 08/25/2022   11:50:02   ( -71.98,-177.80) 08/25/2022   11:48:50  ( -72.00,-177.77)    2.57                72
 08/28/2022   01:35:42   (  72.37, 155.08) 08/28/2022   01:36:53  (  72.26, 155.66)   23.16                71
 08/28/2022   02:26:21   ( -72.06, -37.00) 08/28/2022   02:26:25  ( -72.05, -37.09)    3.33                 4
 08/28/2022   03:17:05   (  71.94, 130.53) 08/28/2022   03:15:52  (  71.94, 130.38)    5.24                73