Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 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)
 09/15/2022   13:45:03   ( -72.57, 152.54) 09/15/2022   13:46:13  ( -72.45, 153.66)   39.77                70
 09/15/2022   14:35:41   (  72.16, -39.33) 09/15/2022   14:35:44  (  72.15, -39.24)    3.35                 3
 09/15/2022   15:26:24   ( -72.04, 128.20) 09/15/2022   15:25:14  ( -72.03, 128.18)    1.61                70
 09/18/2022   05:12:05   (  72.53, 100.88) 09/18/2022   05:13:16  (  72.39, 101.79)   34.21                71
 09/18/2022   06:02:43   ( -72.15, -91.06) 09/18/2022   06:02:48  ( -72.17, -90.98)    3.17                 5
 09/18/2022   06:53:27   (  72.05,  76.44) 09/18/2022   06:52:15  (  72.07,  76.50)    2.95                72
 09/20/2022   20:39:07   ( -72.57,  49.05) 09/20/2022   20:40:18  ( -72.44,  50.13)   38.86                71
 09/20/2022   21:29:44   (  72.12,-142.73) 09/20/2022   21:29:49  (  72.13,-142.79)    2.32                 5
 09/20/2022   22:20:28   ( -72.05,  24.71) 09/20/2022   22:19:18  ( -72.08,  24.74)    2.77                70
 09/23/2022   12:06:09   (  72.55,  -2.63) 09/23/2022   12:07:19  (  72.45,  -1.61)   35.88                70
 09/23/2022   12:56:47   ( -72.17, 165.44) 09/23/2022   12:56:52  ( -72.18, 165.53)    3.12                 5
 09/23/2022   13:47:31   (  72.08, -27.07) 09/23/2022   13:46:19  (  72.08, -27.01)    2.10                72
 09/26/2022   03:33:12   ( -72.60, -54.47) 09/26/2022   03:34:22  ( -72.47, -53.33)   40.65                70
 09/26/2022   04:23:49   (  72.15, 113.74) 09/26/2022   04:23:53  (  72.16, 113.74)    0.52                 4
 09/26/2022   05:14:33   ( -72.08, -78.80) 09/26/2022   05:13:23  ( -72.05, -78.81)    3.21                70
 09/28/2022   19:00:13   (  72.54,-106.07) 09/28/2022   19:01:24  (  72.38,-105.24)   32.72                71
 09/28/2022   19:50:51   ( -72.16,  62.00) 09/28/2022   19:50:56  ( -72.17,  62.01)    1.40                 5
 09/28/2022   20:41:35   (  72.07,-130.51) 09/28/2022   20:40:23  (  72.06,-130.54)    0.94                72