Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 17.  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   (  74.69,   4.97) 09/19/2023   11:35:09  (  74.55,   7.35)   71.69                67
 09/19/2023   12:24:35   ( -74.10, 173.86) 09/19/2023   12:24:41  ( -74.08, 173.90)    3.37                 6
 09/19/2023   13:15:17   (  73.90, -18.32) 09/19/2023   13:14:04  (  73.99, -18.64)   13.99                73
 09/21/2023   23:37:55   ( -74.26,   5.16) 09/21/2023   23:39:06  ( -74.21,   5.56)   13.35                71
 09/22/2023   00:28:37   (  74.07, 172.98) 09/22/2023   00:28:30  (  74.06, 172.89)    3.00                 7
 09/22/2023   01:19:11   ( -73.51, -18.36) 09/22/2023   01:18:03  ( -73.54, -20.59)   70.52                68
 09/24/2023   11:41:55   (  74.14,   4.51) 09/24/2023   11:42:55  (  74.16,   4.46)    2.39                60
 09/24/2023   12:32:39   ( -74.07, 171.99) 09/24/2023   12:32:20  ( -74.06, 171.89)    3.34                19
 09/26/2023   23:45:57   ( -74.15,   3.51) 09/26/2023   23:46:45  ( -74.13,   3.43)    3.26                48
 09/27/2023   00:36:41   (  74.06, 171.06) 09/27/2023   00:36:07  (  74.07, 170.95)    3.49                34
 09/29/2023   11:49:59   (  74.15,   2.55) 09/29/2023   11:50:31  (  74.16,   2.52)    1.77                32
 09/29/2023   12:40:43   ( -74.08, 170.05) 09/29/2023   12:39:56  ( -74.08, 169.98)    2.01                47