Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 6 15.  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   ( -71.56, 159.69) 06/16/2022   13:21:07  ( -71.59, 159.71)    3.16                38
 06/16/2022   14:11:14   (  71.47, -32.85) 06/16/2022   14:10:34  (  71.49, -32.81)    2.63                40
 06/19/2022   04:47:35   (  71.57, 107.91) 06/19/2022   04:48:04  (  71.57, 107.92)    0.29                29
 06/19/2022   05:38:18   ( -71.49, -84.62) 06/19/2022   05:37:33  ( -71.50, -84.55)    3.05                45
 06/21/2022   20:14:39   ( -71.60,  56.13) 06/21/2022   20:15:03  ( -71.57,  56.15)    2.93                24
 06/21/2022   21:05:23   (  71.45,-136.31) 06/21/2022   21:04:30  (  71.47,-136.37)    2.90                53
 06/24/2022   10:51:13   ( -72.42,-164.51) 06/24/2022   10:52:19  ( -72.32,-161.96)   86.68                66
 06/24/2022   11:41:43   (  71.56,   4.44) 06/24/2022   11:41:58  (  71.57,   4.40)    1.91                15
 06/24/2022   12:32:26   ( -71.48, 171.90) 06/24/2022   12:31:27  ( -71.51, 171.93)    3.26                59
 06/27/2022   02:18:12   (  72.08, 144.41) 06/27/2022   02:19:21  (  71.98, 145.69)   45.50                69
 06/27/2022   03:08:47   ( -71.60, -47.36) 06/27/2022   03:08:56  ( -71.60, -47.32)    1.40                 9
 06/27/2022   03:59:32   (  71.50, 120.12) 06/27/2022   03:58:23  (  71.49, 120.14)    1.64                69