Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 7 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)
 07/21/2023   12:28:28   ( -73.82, 172.70) 07/21/2023   12:29:40  ( -73.80, 172.76)    2.81                72
 07/21/2023   13:19:13   (  73.72, -19.74) 07/21/2023   13:19:02  (  73.73, -19.74)    1.30                11
 07/21/2023   14:09:44   ( -73.06, 149.10) 07/21/2023   14:08:37  ( -73.13, 146.68)   78.48                67
 07/24/2023   00:32:34   (  73.78, 171.82) 07/24/2023   00:33:31  (  73.79, 171.74)    2.95                57
 07/24/2023   01:23:17   ( -73.71, -20.70) 07/24/2023   01:22:56  ( -73.71, -20.77)    2.12                21
 07/26/2023   12:36:39   ( -73.82, 170.73) 07/26/2023   12:37:24  ( -73.80, 170.77)    2.60                45
 07/26/2023   13:27:23   (  73.72, -21.71) 07/26/2023   13:26:45  (  73.73, -21.73)    0.99                38
 07/29/2023   00:40:44   (  73.79, 169.82) 07/29/2023   00:41:13  (  73.79, 169.76)    2.02                29
 07/29/2023   01:31:27   ( -73.72, -22.70) 07/29/2023   01:30:38  ( -73.71, -22.75)    1.92                49
 07/31/2023   12:44:48   ( -73.79, 168.83) 07/31/2023   12:45:05  ( -73.80, 168.79)    1.60                17