Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 4.  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   15:29:33   (  72.44, -55.05) 03/06/2022   15:30:40  (  72.36, -52.82)   75.51                67
 03/06/2022   16:20:03   ( -71.72, 113.65) 03/06/2022   16:20:20  ( -71.71, 113.67)    1.88                17
 03/06/2022   17:10:47   (  71.59, -78.81) 03/06/2022   17:09:46  (  71.61, -78.85)    2.24                61
 03/09/2022   06:56:36   ( -72.29,-106.52) 03/09/2022   06:57:45  ( -72.20,-104.87)   56.59                69
 03/09/2022   07:47:12   (  71.71,  61.91) 03/09/2022   07:47:19  (  71.73,  61.95)    2.75                 7
 03/09/2022   08:37:54   ( -71.60,-130.59) 03/09/2022   08:36:49  ( -71.61,-130.61)    1.40                65
 03/11/2022   22:23:40   (  71.97,-157.67) 03/11/2022   22:24:51  (  71.89,-157.18)   19.47                71
 03/11/2022   23:14:19   ( -71.72,  10.13) 03/11/2022   23:14:22  ( -71.73,  10.18)    1.88                 3
 03/12/2022   00:05:03   (  71.54, 177.76) 03/12/2022   00:03:50  (  71.57, 177.56)    7.76                73
 03/14/2022   13:50:44   ( -71.83, 150.84) 03/14/2022   13:51:55  ( -71.83, 150.95)    3.84                71
 03/14/2022   14:41:29   (  71.71, -41.63) 03/14/2022   14:41:22  (  71.72, -41.58)    2.05                 7
 03/14/2022   15:32:07   ( -71.40, 126.26) 03/14/2022   15:30:55  ( -71.45, 125.60)   23.95                72
 03/17/2022   05:17:54   (  71.83,  99.08) 03/17/2022   05:18:55  (  71.81,  99.17)    3.82                61
 03/17/2022   06:08:36   ( -71.72, -93.41) 03/17/2022   06:08:25  ( -71.71, -93.37)    1.97                11