Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2024 6 21.  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)
 06/21/2024   12:22:39   ( -74.47, 178.20) 06/21/2024   12:23:49  ( -74.48, 178.13)    2.52                70
 06/21/2024   13:13:24   (  74.43, -14.40) 06/21/2024   13:13:16  (  74.41, -14.41)    2.83                 8
 06/21/2024   14:04:00   ( -74.00, 154.05) 06/21/2024   14:02:50  ( -74.08, 152.46)   49.50                70
 06/24/2024   04:40:04   ( -74.45, -66.06) 06/24/2024   04:40:21  ( -74.43, -66.12)    2.88                17
 06/24/2024   05:30:49   (  74.42, 101.34) 06/24/2024   05:29:47  (  74.41, 101.46)    3.79                62
 06/26/2024   20:06:44   (  74.49,-117.78) 06/26/2024   20:07:22  (  74.48,-117.77)    1.73                38
 06/26/2024   20:57:27   ( -74.40,  49.80) 06/26/2024   20:56:51  ( -74.41,  49.70)    3.13                36
 06/29/2024   11:33:24   ( -74.52,-169.47) 06/29/2024   11:34:26  ( -74.51,-169.45)    1.57                62
 06/29/2024   12:24:08   (  74.44,  -1.94) 06/29/2024   12:23:53  (  74.43,  -2.01)    2.68                15
 06/29/2024   13:14:38   ( -73.71, 167.24) 06/29/2024   13:13:33  ( -73.79, 164.17)   95.91                65
 07/02/2024   03:00:13   (  74.96, 137.69) 07/02/2024   03:01:21  (  74.86, 139.67)   58.49                68
 07/02/2024   03:50:48   ( -74.48, -53.65) 07/02/2024   03:50:56  ( -74.49, -53.62)    1.46                 8
 07/02/2024   04:41:32   (  74.40, 113.88) 07/02/2024   04:40:23  (  74.40, 113.82)    1.85                69
 07/04/2024   19:17:28   (  74.49,-105.29) 07/04/2024   19:17:57  (  74.51,-105.32)    2.01                29
 07/04/2024   20:08:12   ( -74.44,  62.15) 07/04/2024   20:07:26  ( -74.44,  62.16)    0.37                46