Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 9 14.  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)
 09/14/2023   21:34:38   (  73.34,-141.94) 09/14/2023   21:35:02  (  73.35,-141.95)    1.02                24
 09/14/2023   22:25:22   ( -73.29,  25.48) 09/14/2023   22:24:31  ( -73.28,  25.54)    2.39                51
 09/17/2023   13:01:43   ( -73.36, 166.29) 09/17/2023   13:02:06  ( -73.37, 166.32)    1.54                23
 09/17/2023   13:52:28   (  73.29, -26.25) 09/17/2023   13:51:33  (  73.28, -26.21)    1.84                55
 09/20/2023   04:28:49   (  73.37, 114.52) 09/20/2023   04:29:07  (  73.39, 114.62)    3.71                18
 09/20/2023   05:19:32   ( -73.27, -77.92) 09/20/2023   05:18:37  ( -73.27, -77.99)    2.47                55
 09/22/2023   19:55:52   ( -73.35,  62.85) 09/22/2023   19:56:10  ( -73.35,  62.78)    2.21                18
 09/22/2023   20:46:37   (  73.30,-129.72) 09/22/2023   20:45:36  (  73.32,-129.66)    2.90                61
 09/25/2023   10:32:26   ( -74.08,-157.96) 09/25/2023   10:33:32  ( -74.03,-155.15)   85.94                66
 09/25/2023   11:22:57   (  73.35,  11.13) 09/25/2023   11:23:10  (  73.36,  11.05)    2.91                13
 09/25/2023   12:13:41   ( -73.28, 178.59) 09/25/2023   12:12:39  ( -73.30, 178.56)    2.75                62
 09/28/2023   01:59:27   (  73.90, 150.77) 09/28/2023   02:00:36  (  73.79, 152.58)   57.39                69