Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 8.  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)
 03/08/2022   05:33:26   ( -71.34, -84.03) 03/08/2022   05:34:37  ( -71.26, -83.33)   26.59                71
 03/08/2022   06:24:07   (  71.00,  83.87) 03/08/2022   06:24:07  (  71.00,  83.91)    1.59                 0
 03/08/2022   07:14:49   ( -70.90,-108.65) 03/08/2022   07:13:37  ( -70.88,-108.64)    2.79                72
 03/10/2022   21:00:32   (  71.11,-135.40) 03/10/2022   21:01:37  (  71.10,-135.33)    2.86                65
 03/10/2022   21:51:13   ( -70.96,  32.17) 03/10/2022   21:51:07  ( -70.98,  32.12)    2.95                 6
 03/10/2022   22:41:51   (  70.46,-159.70) 03/10/2022   22:40:41  (  70.50,-160.97)   47.34                70
 03/13/2022   12:27:38   ( -71.08, 172.90) 03/13/2022   12:28:37  ( -71.07, 172.86)    1.57                59
 03/13/2022   13:18:24   (  71.00, -19.66) 03/13/2022   13:18:04  (  70.97, -19.66)    3.13                20
 03/13/2022   14:08:53   ( -70.22, 148.93) 03/13/2022   14:07:45  ( -70.25, 146.91)   76.01                68
 03/16/2022   03:54:48   (  71.07, 121.15) 03/16/2022   03:55:33  (  71.10, 121.15)    3.55                45
 03/16/2022   04:45:30   ( -70.97, -71.36) 03/16/2022   04:45:03  ( -70.99, -71.40)    2.67                27
 03/18/2022   19:21:54   ( -71.09,  69.36) 03/18/2022   19:22:31  ( -71.10,  69.39)    2.08                37
 03/18/2022   20:12:40   (  71.01,-123.21) 03/18/2022   20:11:58  (  70.99,-123.14)    3.26                42
 03/21/2022   10:49:04   (  71.09,  17.59) 03/21/2022   10:49:27  (  71.09,  17.62)    1.29                23
 03/21/2022   11:39:46   ( -70.98,-174.91) 03/21/2022   11:38:57  ( -70.99,-174.92)    0.75                49