Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 10 20.  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)
 10/21/2022   01:40:41   (  72.53, 154.04) 10/21/2022   01:41:52  (  72.44, 154.75)   25.87                71
 10/21/2022   02:31:19   ( -72.20, -37.97) 10/21/2022   02:31:21  ( -72.19, -38.06)    3.29                 2
 10/21/2022   03:21:59   (  71.86, 129.99) 10/21/2022   03:20:48  (  71.90, 129.10)   31.17                71
 10/23/2022   14:35:20   (  72.29, -39.13) 10/23/2022   14:36:11  (  72.29, -39.11)    0.71                51
 10/23/2022   15:26:03   ( -72.21, 128.35) 10/23/2022   15:25:37  ( -72.20, 128.38)    1.62                26
 10/26/2022   03:30:03   (  72.26, 127.28) 10/26/2022   03:30:27  (  72.28, 127.30)    2.75                24
 10/26/2022   04:20:46   ( -72.18, -65.25) 10/26/2022   04:19:53  ( -72.20, -65.20)    2.86                53
 10/28/2022   15:34:06   ( -72.58, 125.68) 10/28/2022   15:35:18  ( -72.46, 126.37)   26.64                72
 10/28/2022   16:24:46   (  72.24, -66.33) 10/28/2022   16:24:43  (  72.26, -66.33)    2.70                 3
 10/28/2022   17:15:24   ( -71.96, 101.53) 10/28/2022   17:14:11  ( -72.02, 100.90)   22.83                73
 10/31/2022   04:28:43   ( -72.31, -67.43) 10/31/2022   04:29:35  ( -72.32, -67.46)    1.53                52
 10/31/2022   05:19:28   (  72.22, 100.05) 10/31/2022   05:18:58  (  72.22, 100.02)    1.15                30
 11/02/2022   17:23:26   ( -72.30,  98.93) 11/02/2022   17:23:50  ( -72.32,  98.96)    2.53                24
 11/02/2022   18:14:11   (  72.21, -93.58) 11/02/2022   18:13:13  (  72.22, -93.57)    0.92                58