Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 11 9.  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)
 11/10/2022   01:23:17   ( -72.98, -22.31) 11/10/2022   01:24:25  ( -72.88, -20.12)   72.32                68
 11/10/2022   02:13:51   (  72.30, 146.39) 11/10/2022   02:14:01  (  72.32, 146.46)    2.86                10
 11/10/2022   03:04:33   ( -72.18, -46.05) 11/10/2022   03:03:31  ( -72.19, -46.13)    3.00                62
 11/12/2022   16:50:27   (  72.36, -72.84) 11/12/2022   16:51:35  (  72.34, -72.90)    3.42                68
 11/12/2022   17:41:10   ( -72.29,  94.62) 11/12/2022   17:41:04  ( -72.27,  94.61)    2.46                 6
 11/12/2022   18:31:47   (  71.76, -97.06) 11/12/2022   18:30:37  (  71.86, -98.47)   50.36                70
 11/15/2022   08:17:46   ( -72.35,-124.61) 11/15/2022   08:18:36  ( -72.37,-124.59)    2.80                50
 11/15/2022   09:08:32   (  72.28,  42.83) 11/15/2022   09:08:03  (  72.28,  42.88)    1.79                29
 11/17/2022   23:45:08   (  72.33,-176.40) 11/17/2022   23:45:35  (  72.35,-176.37)    2.50                27
 11/18/2022   00:35:51   ( -72.26,  -8.94) 11/18/2022   00:35:05  ( -72.24,  -8.95)    2.67                46
 11/20/2022   14:21:52   (  72.80, -36.47) 11/20/2022   14:23:02  (  72.67, -35.16)   45.19                70
 11/20/2022   15:12:27   ( -72.32, 131.84) 11/20/2022   15:12:36  ( -72.34, 131.86)    3.27                 9
 11/20/2022   16:03:12   (  72.25, -60.73) 11/20/2022   16:02:02  (  72.25, -60.67)    1.87                70