Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 30.  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)
 10/30/2022   12:24:38   (  72.80,  -7.39) 10/30/2022   12:25:47  (  72.68,  -5.82)   53.44                69
 10/30/2022   13:15:12   ( -72.27, 161.02) 10/30/2022   13:15:23  ( -72.24, 160.99)    3.10                11
 10/30/2022   14:05:57   (  72.15, -31.45) 10/30/2022   14:04:50  (  72.15, -31.52)    2.32                67
 11/02/2022   03:51:48   ( -72.32, -58.20) 11/02/2022   03:52:58  ( -72.31, -58.29)    3.30                70
 11/02/2022   04:42:34   (  72.26, 109.23) 11/02/2022   04:42:24  (  72.27, 109.29)    2.54                10
 11/02/2022   05:33:10   ( -71.82, -82.62) 11/02/2022   05:31:59  ( -71.88, -83.76)   40.09                71
 11/04/2022   19:19:10   (  72.31,-110.00) 11/04/2022   19:19:59  (  72.31,-110.03)    1.32                49
 11/04/2022   20:09:53   ( -72.23,  57.47) 11/04/2022   20:09:28  ( -72.25,  57.49)    1.85                25
 11/07/2022   10:46:30   ( -72.34,-161.85) 11/07/2022   10:47:02  ( -72.33,-161.77)    3.03                32
 11/07/2022   11:37:15   (  72.22,   5.68) 11/07/2022   11:36:29  (  72.23,   5.70)    1.40                46
 11/10/2022   01:23:18   ( -73.04, -22.45) 11/10/2022   01:24:25  ( -72.91, -20.06)   79.31                67
 11/10/2022   02:13:50   (  72.27, 146.46) 11/10/2022   02:14:02  (  72.29, 146.41)    2.40                12
 11/10/2022   03:04:33   ( -72.20, -46.08) 11/10/2022   03:03:31  ( -72.23, -46.07)    3.33                62
 11/12/2022   16:50:27   (  72.38, -72.86) 11/12/2022   16:51:35  (  72.38, -72.82)    1.33                68
 11/12/2022   17:41:09   ( -72.25,  94.70) 11/12/2022   17:41:05  ( -72.26,  94.61)    3.58                 4