Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 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)
 07/11/2022   11:28:44   (  72.34,   6.43) 07/11/2022   11:29:55  (  72.18,   7.22)   32.04                71
 07/11/2022   12:19:21   ( -71.99, 174.44) 07/11/2022   12:19:27  ( -71.95, 174.45)    3.52                 6
 07/11/2022   13:10:06   (  71.86, -18.02) 07/11/2022   13:08:54  (  71.86, -18.07)    1.45                72
 07/14/2022   02:55:46   ( -72.32, -45.27) 07/14/2022   02:56:57  ( -72.25, -44.42)   29.61                71
 07/14/2022   03:46:27   (  71.99, 122.67) 07/14/2022   03:46:27  (  71.99, 122.76)    3.15                 0
 07/14/2022   04:37:09   ( -71.89, -69.82) 07/14/2022   04:35:57  ( -71.88, -69.80)    2.21                72
 07/16/2022   18:22:48   (  72.18, -96.74) 07/16/2022   18:23:59  (  72.11, -96.42)   13.39                71
 07/16/2022   19:13:28   ( -71.98,  70.97) 07/16/2022   19:13:29  ( -72.00,  71.02)    2.96                 1
 07/16/2022   20:04:11   (  71.75,-121.30) 07/16/2022   20:02:58  (  71.79,-121.70)   14.37                73
 07/19/2022   09:49:50   ( -72.16,-148.44) 07/19/2022   09:51:02  ( -72.11,-148.17)   10.61                72
 07/19/2022   10:40:33   (  71.94,  19.29) 07/19/2022   10:40:30  (  71.95,  19.20)    3.60                 3
 07/19/2022   11:31:14   ( -71.79,-173.10) 07/19/2022   11:30:00  ( -71.85,-173.36)   11.09                74
 07/22/2022   01:16:54   (  72.08, 159.97) 07/22/2022   01:18:03  (  72.06, 159.98)    2.80                69
 07/22/2022   02:07:36   ( -71.97, -32.51) 07/22/2022   02:07:33  ( -71.95, -32.57)    3.37                 3