Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 5 6.  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)
 05/06/2022   10:02:21   (  71.89,  28.25) 05/06/2022   10:03:06  (  71.87,  28.29)    3.24                45
 05/06/2022   10:53:04   ( -71.78,-164.23) 05/06/2022   10:52:35  ( -71.80,-164.18)    2.73                29
 05/09/2022   01:29:26   ( -71.86, -23.43) 05/09/2022   01:30:11  ( -71.88, -23.44)    2.98                45
 05/09/2022   02:20:11   (  71.80, 143.98) 05/09/2022   02:19:38  (  71.79, 144.04)    2.15                33
 05/11/2022   16:56:33   (  71.89, -75.24) 05/11/2022   16:57:13  (  71.91, -75.16)    3.29                40
 05/11/2022   17:47:16   ( -71.77,  92.30) 05/11/2022   17:46:43  ( -71.79,  92.28)    3.13                33
 05/14/2022   08:23:39   ( -71.90,-127.02) 05/14/2022   08:24:18  ( -71.89,-126.95)    2.72                39
 05/14/2022   09:14:23   (  71.80,  40.48) 05/14/2022   09:13:45  (  71.79,  40.52)    2.10                38
 05/16/2022   23:50:43   (  71.85,-178.67) 05/16/2022   23:51:19  (  71.87,-178.74)    3.39                36
 05/17/2022   00:41:27   ( -71.77, -11.21) 05/17/2022   00:40:49  ( -71.76, -11.29)    3.04                38
 05/19/2022   15:17:49   ( -71.87, 129.54) 05/19/2022   15:18:23  ( -71.88, 129.51)    1.37                34
 05/19/2022   16:08:33   (  71.78, -62.97) 05/19/2022   16:07:50  (  71.77, -63.03)    1.98                43