Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 5.  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)
 03/06/2022   15:29:32   (  72.43, -55.04) 03/06/2022   15:30:39  (  72.37, -52.81)   75.31                67
 03/06/2022   16:20:02   ( -71.72, 113.66) 03/06/2022   16:20:19  ( -71.71, 113.67)    0.71                17
 03/06/2022   17:10:48   (  71.64, -78.90) 03/06/2022   17:09:46  (  71.62, -78.84)    3.07                62
 03/09/2022   06:56:36   ( -72.28,-106.50) 03/09/2022   06:57:45  ( -72.20,-104.87)   56.21                69
 03/09/2022   07:47:12   (  71.70,  61.92) 03/09/2022   07:47:20  (  71.68,  61.86)    2.92                 8
 03/09/2022   08:37:54   ( -71.60,-130.58) 03/09/2022   08:36:49  ( -71.62,-130.60)    2.57                65
 03/11/2022   22:23:40   (  71.97,-157.66) 03/11/2022   22:24:51  (  71.89,-157.17)   18.59                71
 03/11/2022   23:14:19   ( -71.71,  10.14) 03/11/2022   23:14:22  ( -71.73,  10.18)    2.46                 3
 03/12/2022   00:05:03   (  71.53, 177.77) 03/12/2022   00:03:50  (  71.57, 177.56)    8.67                73
 03/14/2022   13:50:44   ( -71.82, 150.86) 03/14/2022   13:51:55  ( -71.83, 150.95)    3.35                71
 03/14/2022   14:41:29   (  71.70, -41.61) 03/14/2022   14:41:22  (  71.72, -41.58)    2.87                 7
 03/14/2022   15:32:07   ( -71.39, 126.27) 03/14/2022   15:30:55  ( -71.45, 125.60)   24.70                72
 03/17/2022   05:17:53   (  71.82,  99.09) 03/17/2022   05:18:54  (  71.81,  99.17)    2.75                61
 03/17/2022   06:08:35   ( -71.71, -93.39) 03/17/2022   06:08:24  ( -71.71, -93.38)    0.83                11