Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 11 7.  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)
 11/07/2022   10:46:29   ( -72.29,-161.77) 11/07/2022   10:47:02  ( -72.28,-161.86)    3.60                33
 11/07/2022   11:37:15   (  72.23,   5.66) 11/07/2022   11:36:28  (  72.25,   5.72)    2.80                47
 11/10/2022   01:23:18   ( -73.01, -22.38) 11/10/2022   01:24:25  ( -72.91, -20.07)   76.23                67
 11/10/2022   02:13:51   (  72.29, 146.42) 11/10/2022   02:14:02  (  72.29, 146.41)    0.24                11
 11/10/2022   03:04:34   ( -72.21, -46.11) 11/10/2022   03:03:31  ( -72.22, -46.08)    1.62                63
 11/12/2022   16:50:27   (  72.36, -72.84) 11/12/2022   16:51:35  (  72.37, -72.83)    0.93                68
 11/12/2022   17:41:10   ( -72.29,  94.63) 11/12/2022   17:41:04  ( -72.30,  94.68)    2.66                 6
 11/12/2022   18:31:48   (  71.81, -97.15) 11/12/2022   18:30:38  (  71.84, -98.50)   47.01                70
 11/15/2022   08:17:46   ( -72.37,-124.65) 11/15/2022   08:18:37  ( -72.36,-124.60)    1.39                51
 11/15/2022   09:08:31   (  72.25,  42.89) 11/15/2022   09:08:04  (  72.27,  42.87)    2.02                27
 11/17/2022   23:45:06   (  72.34,-176.41) 11/17/2022   23:45:35  (  72.36,-176.36)    2.35                29
 11/18/2022   00:35:49   ( -72.26,  -8.94) 11/18/2022   00:35:05  ( -72.24,  -8.94)    2.42                44
 11/20/2022   14:21:51   (  72.90, -36.67) 11/20/2022   14:23:00  (  72.80, -34.92)   58.26                69
 11/20/2022   15:12:24   ( -72.31, 131.86) 11/20/2022   15:12:37  ( -72.31, 131.80)    1.94                13
 11/20/2022   16:03:10   (  72.25, -60.72) 11/20/2022   16:02:03  (  72.26, -60.64)    3.08                67