Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 10.  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)
 03/10/2022   21:00:31   (  71.07,-135.33) 03/10/2022   21:01:37  (  71.10,-135.34)    3.12                66
 03/10/2022   21:51:13   ( -70.97,  32.15) 03/10/2022   21:51:07  ( -70.98,  32.11)    1.61                 6
 03/10/2022   22:41:51   (  70.47,-159.72) 03/10/2022   22:40:41  (  70.50,-160.97)   46.77                70
 03/13/2022   12:27:38   ( -71.09, 172.88) 03/13/2022   12:28:37  ( -71.07, 172.86)    2.21                59
 03/13/2022   13:18:23   (  70.96, -19.59) 03/13/2022   13:18:04  (  70.97, -19.65)    2.57                19
 03/13/2022   14:08:53   ( -70.24, 148.91) 03/13/2022   14:07:45  ( -70.25, 146.91)   75.07                68
 03/16/2022   03:54:48   (  71.09, 121.12) 03/16/2022   03:55:33  (  71.11, 121.16)    3.09                45
 03/16/2022   04:45:30   ( -70.98, -71.39) 03/16/2022   04:45:03  ( -70.99, -71.39)    1.10                27
 03/18/2022   19:21:53   ( -71.06,  69.41) 03/18/2022   19:22:32  ( -71.07,  69.33)    3.09                39
 03/18/2022   20:12:39   (  70.98,-123.16) 03/18/2022   20:11:59  (  70.96,-123.19)    2.88                40
 03/21/2022   10:49:03   (  71.06,  17.63) 03/21/2022   10:49:28  (  71.07,  17.58)    1.92                25
 03/21/2022   11:39:45   ( -70.96,-174.87) 03/21/2022   11:38:58  ( -70.96,-174.95)    3.04                47
 03/24/2022   01:25:40   (  71.82, 157.20) 03/24/2022   01:26:47  (  71.72, 159.23)   71.67                67
 03/24/2022   02:16:10   ( -71.09, -34.17) 03/24/2022   02:16:27  ( -71.07, -34.19)    2.58                17
 03/24/2022   03:06:55   (  70.97, 133.34) 03/24/2022   03:05:54  (  70.95, 133.28)    2.75                61