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)
 07/21/2023   12:28:28   ( -73.81, 172.73) 07/21/2023   12:29:40  ( -73.82, 172.78)    1.70                72
 07/21/2023   13:19:13   (  73.70, -19.70) 07/21/2023   13:19:03  (  73.69, -19.82)    3.66                10
 07/21/2023   14:09:45   ( -73.10, 149.02) 07/21/2023   14:08:37  ( -73.14, 146.71)   74.75                68
 07/24/2023   00:32:34   (  73.81, 171.74) 07/24/2023   00:33:30  (  73.80, 171.76)    1.61                56
 07/24/2023   01:23:17   ( -73.75, -20.79) 07/24/2023   01:22:55  ( -73.72, -20.75)    3.07                22
 07/26/2023   12:36:38   ( -73.81, 170.75) 07/26/2023   12:37:23  ( -73.80, 170.77)    1.26                45
 07/26/2023   13:27:23   (  73.71, -21.69) 07/26/2023   13:26:45  (  73.73, -21.72)    2.79                38
 07/29/2023   00:40:44   (  73.78, 169.84) 07/29/2023   00:41:13  (  73.79, 169.75)    2.67                29
 07/29/2023   01:31:27   ( -73.72, -22.69) 07/29/2023   01:30:38  ( -73.71, -22.76)    2.48                49
 07/31/2023   12:44:48   ( -73.79, 168.83) 07/31/2023   12:45:05  ( -73.79, 168.76)    2.15                17
 07/31/2023   13:35:34   (  73.74, -23.74) 07/31/2023   13:34:27  (  73.72, -23.72)    2.58                67
 08/02/2023   23:58:17   ( -74.27,  -0.66) 08/02/2023   23:59:26  ( -74.15,   0.93)   49.67                69
 08/03/2023   00:48:55   (  73.83, 167.76) 08/03/2023   00:48:53  (  73.83, 167.87)    3.40                 2