Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 19.  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)
 09/19/2023   11:34:02   (  74.67,   5.04) 09/19/2023   11:35:09  (  74.57,   7.40)   70.49                67
 09/19/2023   12:24:35   ( -74.08, 173.91) 09/19/2023   12:24:41  ( -74.10, 173.94)    1.62                 6
 09/19/2023   13:15:18   (  73.92, -18.38) 09/19/2023   13:14:05  (  73.96, -18.71)   10.59                73
 09/21/2023   23:37:55   ( -74.25,   5.21) 09/21/2023   23:39:07  ( -74.17,   5.47)   11.40                72
 09/22/2023   00:28:38   (  74.09, 172.91) 09/22/2023   00:28:30  (  74.08, 172.92)    1.83                 8
 09/22/2023   01:19:11   ( -73.49, -18.31) 09/22/2023   01:18:03  ( -73.55, -20.57)   71.31                68
 09/24/2023   11:41:55   (  74.17,   4.43) 09/24/2023   11:42:54  (  74.16,   4.48)    1.83                59
 09/24/2023   12:32:39   ( -74.11, 171.90) 09/24/2023   12:32:18  ( -74.11, 172.02)    3.50                21
 09/26/2023   23:45:56   ( -74.14,   3.53) 09/26/2023   23:46:43  ( -74.18,   3.52)    3.59                47
 09/27/2023   00:36:41   (  74.10, 170.96) 09/27/2023   00:36:05  (  74.12, 171.05)    3.55                36
 09/29/2023   11:49:58   (  74.15,   2.56) 09/29/2023   11:50:30  (  74.14,   2.46)    2.95                32
 09/29/2023   12:40:42   ( -74.07, 170.05) 09/29/2023   12:39:54  ( -74.10, 170.04)    3.39                48
 10/01/2023   23:54:00   ( -74.18,   1.51) 10/01/2023   23:54:18  ( -74.15,   1.51)    2.72                18