Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 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)
 10/09/2022   08:48:18   (  72.51,  47.07) 10/09/2022   08:49:29  (  72.41,  47.77)   25.97                71
 10/09/2022   09:38:57   ( -72.20,-145.00) 10/09/2022   09:39:01  ( -72.18,-145.01)    2.25                 4
 10/09/2022   10:29:41   (  72.09,  22.53) 10/09/2022   10:28:28  (  72.09,  22.47)    1.97                73
 10/12/2022   00:15:19   ( -72.52,  -4.68) 10/12/2022   00:16:30  ( -72.42,  -3.96)   26.64                71
 10/12/2022   01:05:59   (  72.20, 163.27) 10/12/2022   01:05:59  (  72.22, 163.32)    2.65                 0
 10/12/2022   01:56:42   ( -72.10, -29.22) 10/12/2022   01:55:29  ( -72.10, -29.25)    1.01                73
 10/14/2022   15:42:17   (  72.38, -56.12) 10/14/2022   15:43:29  (  72.32, -55.88)    9.89                72
 10/14/2022   16:32:59   ( -72.22, 111.50) 10/14/2022   16:32:59  ( -72.21, 111.55)    2.51                 0
 10/14/2022   17:23:40   (  71.95, -80.67) 10/14/2022   17:22:28  (  72.00, -81.17)   18.15                72
 10/17/2022   07:09:17   ( -72.36,-107.80) 10/17/2022   07:10:29  ( -72.34,-107.59)    7.19                72
 10/17/2022   08:00:00   (  72.19,  59.84) 10/17/2022   07:59:57  (  72.18,  59.77)    2.58                 3
 10/17/2022   08:50:41   ( -71.99,-132.46) 10/17/2022   08:49:28  ( -72.02,-132.89)   15.32                73
 10/19/2022   22:36:17   (  72.27,-159.36) 10/19/2022   22:37:27  (  72.29,-159.43)    2.86                70
 10/19/2022   23:27:01   ( -72.23,   8.04) 10/19/2022   23:26:56  ( -72.23,   8.10)    2.29                 5