Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 7 21.  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)
 07/24/2023   00:32:34   (  73.78, 171.81) 07/24/2023   00:33:31  (  73.78, 171.72)    2.66                57
 07/24/2023   01:23:17   ( -73.72, -20.72) 07/24/2023   01:22:56  ( -73.70, -20.79)    2.84                21
 07/26/2023   12:36:38   ( -73.79, 170.82) 07/26/2023   12:37:24  ( -73.79, 170.74)    2.66                46
 07/26/2023   13:27:24   (  73.73, -21.74) 07/26/2023   13:26:46  (  73.72, -21.75)    1.45                38
 07/29/2023   00:40:44   (  73.80, 169.79) 07/29/2023   00:41:12  (  73.83, 169.84)    3.23                28
 07/29/2023   01:31:27   ( -73.74, -22.74) 07/29/2023   01:30:37  ( -73.75, -22.68)    2.23                50
 07/31/2023   12:44:48   ( -73.81, 168.78) 07/31/2023   12:45:04  ( -73.83, 168.86)    3.16                16
 07/31/2023   13:35:33   (  73.71, -23.67) 07/31/2023   13:34:27  (  73.71, -23.74)    2.18                66
 08/02/2023   23:58:17   ( -74.29,  -0.71) 08/02/2023   23:59:26  ( -74.15,   0.92)   51.73                69
 08/03/2023   00:48:54   (  73.80, 167.83) 08/03/2023   00:48:53  (  73.82, 167.86)    3.00                 1