Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 6.  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, -84.02) 03/08/2022   05:34:37  ( -71.25, -83.33)   26.40                71
 03/08/2022   06:24:07   (  71.00,  83.87) 03/08/2022   06:24:07  (  70.99,  83.90)    1.35                 0
 03/08/2022   07:14:49   ( -70.90,-108.65) 03/08/2022   07:13:37  ( -70.87,-108.65)    2.90                72
 03/10/2022   21:00:32   (  71.11,-135.40) 03/10/2022   21:01:37  (  71.09,-135.34)    2.76                65
 03/10/2022   21:51:13   ( -70.96,  32.18) 03/10/2022   21:51:07  ( -70.98,  32.11)    3.17                 6
 03/10/2022   22:41:51   (  70.46,-159.69) 03/10/2022   22:40:41  (  70.49,-160.98)   47.92                70
 03/13/2022   12:27:38   ( -71.07, 172.91) 03/13/2022   12:28:37  ( -71.06, 172.84)    2.68                59
 03/13/2022   13:18:24   (  70.99, -19.65) 03/13/2022   13:18:03  (  71.01, -19.59)    2.93                21
 03/13/2022   14:08:53   ( -70.21, 148.94) 03/13/2022   14:07:45  ( -70.24, 146.90)   76.99                68
 03/16/2022   03:54:48   (  71.06, 121.16) 03/16/2022   03:55:33  (  71.08, 121.12)    2.97                45
 03/16/2022   04:45:30   ( -70.95, -71.34) 03/16/2022   04:45:03  ( -70.97, -71.42)    3.29                27
 03/18/2022   19:21:54   ( -71.07,  69.39) 03/18/2022   19:22:31  ( -71.08,  69.35)    1.52                37
 03/18/2022   20:12:40   (  71.00,-123.19) 03/18/2022   20:11:58  (  70.97,-123.18)    3.40                42