Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 7 11.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2022   23:00:29   (  71.73,-165.37) 07/12/2022   23:01:04  (  71.71,-165.32)    3.17                35
 07/12/2022   23:51:11   ( -71.63,   2.12) 07/12/2022   23:50:33  ( -71.64,   2.20)    2.58                38
 07/15/2022   14:27:31   ( -71.72, 142.92) 07/15/2022   14:28:01  ( -71.71, 142.92)    1.03                30
 07/15/2022   15:18:16   (  71.59, -49.55) 07/15/2022   15:17:28  (  71.61, -49.60)    2.61                48
 07/18/2022   05:54:37   (  71.73,  91.14) 07/18/2022   05:54:55  (  71.72,  91.19)    2.19                18
 07/18/2022   06:45:19   ( -71.63,-101.36) 07/18/2022   06:44:25  ( -71.60,-101.37)    3.50                54
 07/20/2022   20:31:05   (  72.28,-128.97) 07/20/2022   20:32:14  (  72.19,-127.38)   54.84                69
 07/20/2022   21:21:38   ( -71.72,  39.43) 07/20/2022   21:21:51  ( -71.70,  39.41)    2.27                13
 07/20/2022   22:12:23   (  71.60,-153.05) 07/20/2022   22:11:18  (  71.59,-153.13)    2.90                65
 07/23/2022   11:58:03   ( -72.07, 179.72) 07/23/2022   11:59:15  ( -71.95,-179.56)   27.98                72
 07/23/2022   12:48:44   (  71.75, -12.37) 07/23/2022   12:48:44  (  71.73, -12.29)    3.22                 0
 07/23/2022   13:39:26   ( -71.64, 155.14) 07/23/2022   13:38:14  ( -71.62, 155.16)    2.37                72