Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 4 19.  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)
 04/20/2022   13:19:44   (  71.88, -21.20) 04/20/2022   13:20:51  (  71.85, -21.19)    3.19                67
 04/20/2022   14:10:27   ( -71.79, 146.27) 04/20/2022   14:10:20  ( -71.79, 146.34)    2.21                 7
 04/20/2022   15:01:04   (  71.29, -45.51) 04/20/2022   14:59:54  (  71.32, -46.81)   46.37                70
 04/23/2022   04:46:49   ( -71.88, -72.96) 04/23/2022   04:47:53  ( -71.85, -72.95)    3.73                64
 04/23/2022   05:37:33   (  71.75,  94.60) 04/23/2022   05:37:20  (  71.75,  94.52)    2.52                13
 04/23/2022   06:28:07   ( -71.19, -97.08) 04/23/2022   06:26:57  ( -71.26, -98.66)   56.83                70
 04/25/2022   20:13:56   (  71.85,-124.66) 04/25/2022   20:14:53  (  71.85,-124.70)    1.78                57
 04/25/2022   21:04:40   ( -71.80,  42.75) 04/25/2022   21:04:22  ( -71.79,  42.83)    2.98                18
 04/25/2022   21:55:09   (  70.90,-148.34) 04/25/2022   21:54:03  (  70.93,-150.93)   94.32                66
 04/28/2022   11:41:02   ( -71.84,-176.40) 04/28/2022   11:41:55  ( -71.87,-176.42)    2.91                53
 04/28/2022   12:31:47   (  71.78,  -8.97) 04/28/2022   12:31:22  (  71.77,  -8.95)    1.66                25
 05/01/2022   03:08:09   (  71.84, 131.86) 05/01/2022   03:08:55  (  71.83, 131.78)    2.96                46
 05/01/2022   03:58:53   ( -71.77, -60.70) 05/01/2022   03:58:24  ( -71.78, -60.68)    1.21                29