Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 6 10.  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)
 06/12/2022   10:21:35   (  71.91,  23.75) 06/12/2022   10:21:56  (  71.91,  23.72)    1.03                21
 06/12/2022   11:12:18   ( -71.82,-168.77) 06/12/2022   11:11:25  ( -71.85,-168.76)    3.36                53
 06/15/2022   01:48:38   ( -71.92, -28.01) 06/15/2022   01:49:00  ( -71.94, -28.00)    2.63                22
 06/15/2022   02:39:23   (  71.83, 139.45) 06/15/2022   02:38:27  (  71.85, 139.48)    1.47                56
 06/17/2022   17:15:44   (  71.94, -79.79) 06/17/2022   17:16:03  (  71.93, -79.78)    1.21                19
 06/17/2022   18:06:27   ( -71.85,  87.69) 06/17/2022   18:05:32  ( -71.87,  87.75)    3.16                55
 06/20/2022   07:52:20   (  72.80,  59.41) 06/20/2022   07:53:26  (  72.69,  62.21)   93.11                66
 06/20/2022   08:42:48   ( -71.95,-131.57) 06/20/2022   08:43:08  ( -71.94,-131.52)    1.99                20
 06/20/2022   09:33:32   (  71.82,  36.00) 06/20/2022   09:32:35  (  71.84,  35.95)    3.14                57
 06/23/2022   00:09:53   (  71.93, 176.74) 06/23/2022   00:10:10  (  71.96, 176.75)    3.44                17
 06/23/2022   01:00:36   ( -71.84, -15.79) 06/23/2022   00:59:40  ( -71.85, -15.80)    1.19                56