Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 6 16.  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)
 06/16/2022   13:20:29   ( -71.58, 159.64) 06/16/2022   13:21:07  ( -71.56, 159.66)    2.49                38
 06/16/2022   14:11:13   (  71.44, -32.80) 06/16/2022   14:10:34  (  71.46, -32.85)    3.31                39
 06/19/2022   04:47:34   (  71.54, 107.97) 06/19/2022   04:48:04  (  71.54, 107.88)    3.17                30
 06/19/2022   05:38:17   ( -71.46, -84.57) 06/19/2022   05:37:33  ( -71.48, -84.60)    1.95                44
 06/21/2022   20:14:38   ( -71.57,  56.18) 06/21/2022   20:15:02  ( -71.59,  56.19)    2.87                24
 06/21/2022   21:05:23   (  71.47,-136.35) 06/21/2022   21:04:29  (  71.49,-136.33)    1.89                54
 06/24/2022   10:51:13   ( -72.39,-164.45) 06/24/2022   10:52:20  ( -72.28,-162.02)   82.97                67
 06/24/2022   11:41:44   (  71.58,   4.40) 06/24/2022   11:41:58  (  71.59,   4.43)    0.97                14
 06/24/2022   12:32:26   ( -71.45, 171.95) 06/24/2022   12:31:28  ( -71.47, 171.87)    3.39                58
 06/27/2022   02:18:12   (  72.06, 144.46) 06/27/2022   02:19:22  (  71.94, 145.62)   41.87                70
 06/27/2022   03:08:46   ( -71.57, -47.31) 06/27/2022   03:08:56  ( -71.55, -47.39)    3.27                10
 06/27/2022   03:59:31   (  71.47, 120.17) 06/27/2022   03:58:22  (  71.50, 120.16)    3.09                69
 06/29/2022   17:45:10   ( -71.84,  93.13) 06/29/2022   17:46:22  ( -71.78,  93.59)   17.13                72
 06/29/2022   18:35:52   (  71.59, -99.10) 06/29/2022   18:35:51  (  71.56, -99.13)    3.33                 1
 06/29/2022   19:26:34   ( -71.46,  68.45) 06/29/2022   19:25:21  ( -71.45,  68.32)    4.60                73