Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 5 9.  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)
 05/11/2022   16:56:32   (  71.85, -75.18) 05/11/2022   16:57:14  (  71.86, -75.24)    2.31                42
 05/11/2022   17:47:16   ( -71.79,  92.26) 05/11/2022   17:46:43  ( -71.80,  92.29)    1.66                33
 05/14/2022   08:23:38   ( -71.88,-126.97) 05/14/2022   08:24:19  ( -71.87,-127.00)    1.72                41
 05/14/2022   09:14:22   (  71.77,  40.53) 05/14/2022   09:13:46  (  71.77,  40.48)    1.89                36
 05/16/2022   23:50:44   (  71.87,-178.71) 05/16/2022   23:51:21  (  71.87,-178.74)    0.91                37
 05/17/2022   00:41:28   ( -71.80, -11.27) 05/17/2022   00:40:50  ( -71.82, -11.20)    2.75                38
 05/19/2022   15:17:49   ( -71.90, 129.48) 05/19/2022   15:18:24  ( -71.91, 129.56)    2.71                35
 05/19/2022   16:08:33   (  71.81, -63.02) 05/19/2022   16:07:51  (  71.81, -62.97)    1.87                42
 05/22/2022   06:44:54   (  71.86,  77.81) 05/22/2022   06:45:26  (  71.89,  77.77)    2.81                32
 05/22/2022   07:35:38   ( -71.79,-114.74) 05/22/2022   07:34:56  ( -71.78,-114.78)    1.68                42