Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 4 30.  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)
 05/01/2022   03:08:09   (  71.88, 131.78) 05/01/2022   03:08:57  (  71.90, 131.87)    3.71                48
 05/01/2022   03:58:52   ( -71.77, -60.70) 05/01/2022   03:58:27  ( -71.78, -60.69)    1.15                25
 05/03/2022   18:35:15   ( -71.89,  80.02) 05/03/2022   18:36:03  ( -71.88,  80.08)    2.20                48
 05/03/2022   19:25:59   (  71.78,-112.47) 05/03/2022   19:25:30  (  71.79,-112.44)    1.44                29
 05/06/2022   10:02:21   (  71.85,  28.33) 05/06/2022   10:03:06  (  71.85,  28.26)    2.39                45
 05/06/2022   10:53:05   ( -71.79,-164.23) 05/06/2022   10:52:35  ( -71.79,-164.20)    1.20                30
 05/09/2022   01:29:26   ( -71.86, -23.44) 05/09/2022   01:30:09  ( -71.87, -23.46)    1.04                43
 05/09/2022   02:20:10   (  71.76, 144.06) 05/09/2022   02:19:36  (  71.77, 144.01)    1.79                34
 05/11/2022   16:56:32   (  71.85, -75.17) 05/11/2022   16:57:10  (  71.86, -75.23)    2.12                38
 05/11/2022   17:47:16   ( -71.77,  92.29) 05/11/2022   17:46:40  ( -71.75,  92.22)    3.26                36