Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 8 22.  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)
 08/22/2022   18:41:38   (  72.41,-101.53) 08/22/2022   18:42:49  (  72.26,-100.82)   29.14                71
 08/22/2022   19:32:16   ( -72.07,  66.45) 08/22/2022   19:32:20  ( -72.09,  66.50)    2.49                 4
 08/22/2022   20:23:00   (  71.94,-125.98) 08/22/2022   20:21:48  (  71.95,-126.10)    4.42                72
 08/25/2022   10:08:39   ( -72.41,-153.25) 08/25/2022   10:09:51  ( -72.31,-152.51)   27.56                72
 08/25/2022   10:59:19   (  72.07,  14.71) 08/25/2022   10:59:21  (  72.05,  14.69)    2.33                 2
 08/25/2022   11:50:02   ( -71.98,-177.80) 08/25/2022   11:48:50  ( -71.99,-177.79)    0.79                72
 08/28/2022   01:35:42   (  72.37, 155.08) 08/28/2022   01:36:53  (  72.26, 155.66)   22.75                71
 08/28/2022   02:26:21   ( -72.06, -37.01) 08/28/2022   02:26:24  ( -72.09, -37.01)    2.85                 3
 08/28/2022   03:17:05   (  71.94, 130.53) 08/28/2022   03:15:52  (  71.94, 130.37)    5.63                73
 08/30/2022   17:02:45   ( -72.40, 103.28) 08/30/2022   17:03:56  ( -72.29, 103.95)   26.04                71
 08/30/2022   17:53:25   (  72.09, -88.79) 08/30/2022   17:53:25  (  72.08, -88.77)    0.55                 0
 08/30/2022   18:44:08   ( -71.98,  78.73) 08/30/2022   18:42:55  ( -71.97,  78.67)    2.28                73
 09/02/2022   08:29:46   (  72.28,  51.78) 09/02/2022   08:30:58  (  72.22,  52.07)   12.27                72
 09/02/2022   09:20:27   ( -72.07,-140.49) 09/02/2022   09:20:29  ( -72.06,-140.58)    3.46                 2
 09/02/2022   10:11:09   (  71.86,  27.22) 09/02/2022   10:09:57  (  71.90,  26.79)   15.66                72
 09/04/2022   23:56:48   ( -72.31,  -0.02) 09/04/2022   23:58:00  ( -72.24,   0.35)   14.92                72
 09/05/2022   00:47:30   (  72.11, 167.69) 09/05/2022   00:47:28  (  72.08, 167.71)    3.37                 2