Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 9 9.  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)
 09/09/2023   12:08:25   ( -74.08, 177.81) 09/09/2023   12:09:18  ( -74.09, 177.89)    2.39                53
 09/09/2023   12:59:10   (  74.01, -14.70) 09/09/2023   12:58:41  (  74.02, -14.61)    2.89                29
 09/12/2023   00:12:27   (  74.05, 176.92) 09/12/2023   00:13:09  (  74.06, 176.83)    3.01                42
 09/12/2023   01:03:11   ( -74.00, -15.64) 09/12/2023   01:02:33  ( -73.99, -15.67)    1.51                38
 09/14/2023   12:16:30   ( -74.09, 175.85) 09/14/2023   12:17:01  ( -74.06, 175.85)    2.33                31
 09/14/2023   13:07:14   (  73.98, -16.56) 09/14/2023   13:06:24  (  73.98, -16.67)    3.45                50
 09/17/2023   00:20:33   (  74.08, 174.90) 09/17/2023   00:20:51  (  74.08, 174.91)    0.96                18
 09/17/2023   01:11:17   ( -74.02, -17.63) 09/17/2023   01:10:15  ( -74.03, -17.57)    2.33                62
 09/19/2023   11:34:03   (  74.71,   4.92) 09/19/2023   11:35:09  (  74.63,   7.54)   77.45                66
 09/19/2023   12:24:35   ( -74.07, 173.95) 09/19/2023   12:24:43  ( -74.06, 173.86)    2.81                 8
 09/19/2023   13:15:18   (  73.92, -18.37) 09/19/2023   13:14:06  (  73.96, -18.69)   11.17                72
 09/21/2023   23:37:57   ( -74.32,   5.02) 09/21/2023   23:39:08  ( -74.23,   5.60)   20.16                71
 09/22/2023   00:28:38   (  74.08, 172.95) 09/22/2023   00:28:32  (  74.07, 172.91)    1.22                 6