Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 11 18.  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)
 11/20/2022   14:21:52   (  72.92, -36.72) 11/20/2022   14:23:00  (  72.80, -34.93)   60.15                68
 11/20/2022   15:12:25   ( -72.34, 131.79) 11/20/2022   15:12:36  ( -72.35, 131.87)    3.02                11
 11/20/2022   16:03:10   (  72.22, -60.66) 11/20/2022   16:02:04  (  72.21, -60.74)    2.76                66
 11/23/2022   05:49:00   ( -72.39, -87.41) 11/23/2022   05:50:09  ( -72.37, -87.49)    3.19                69
 11/23/2022   06:39:46   (  72.31,  80.04) 11/23/2022   06:39:35  (  72.33,  80.09)    2.64                11
 11/23/2022   07:30:21   ( -71.84,-111.72) 11/23/2022   07:29:11  ( -71.89,-113.06)   46.74                70
 11/25/2022   21:16:21   (  72.36,-139.18) 11/25/2022   21:17:07  (  72.39,-139.20)    2.49                46
 11/25/2022   22:07:04   ( -72.29,  28.28) 11/25/2022   22:06:36  ( -72.32,  28.31)    3.03                28
 11/28/2022   12:43:38   ( -72.35, 169.06) 11/28/2022   12:44:07  ( -72.36, 169.00)    2.46                29
 11/28/2022   13:34:24   (  72.28, -23.50) 11/28/2022   13:33:34  (  72.27, -23.53)    1.94                50
 12/01/2022   03:20:22   ( -72.86, -51.12) 12/01/2022   03:21:32  ( -72.76, -49.63)   50.08                70
 12/01/2022   04:10:59   (  72.34, 117.26) 12/01/2022   04:11:05  (  72.35, 117.23)    0.90                 6
 12/01/2022   05:01:42   ( -72.27, -75.28) 12/01/2022   05:00:34  ( -72.29, -75.24)    2.15                68