Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 6 14.  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)
 06/16/2023   13:12:27   ( -73.57, 161.79) 06/16/2023   13:13:33  ( -73.58, 161.70)    3.34                66
 06/16/2023   14:03:12   (  73.51, -30.75) 06/16/2023   14:02:55  (  73.52, -30.77)    1.46                17
 06/19/2023   01:16:35   (  73.58, 160.77) 06/19/2023   01:17:30  (  73.59, 160.70)    2.23                55
 06/19/2023   02:07:19   ( -73.52, -31.78) 06/19/2023   02:06:55  ( -73.53, -31.78)    0.80                24
 06/21/2023   13:20:42   ( -73.60, 159.73) 06/21/2023   13:21:30  ( -73.59, 159.67)    2.40                48
 06/21/2023   14:11:27   (  73.54, -32.82) 06/21/2023   14:10:52  (  73.51, -32.83)    3.67                35
 06/24/2023   01:24:50   (  73.63, 158.67) 06/24/2023   01:25:26  (  73.59, 158.67)    3.82                36
 06/24/2023   02:15:33   ( -73.51, -33.75) 06/24/2023   02:14:51  ( -73.54, -33.79)    2.84                42
 06/26/2023   13:28:56   ( -73.61, 157.73) 06/26/2023   13:29:25  ( -73.61, 157.68)    1.58                29
 06/26/2023   14:19:41   (  73.54, -34.82) 06/26/2023   14:18:46  (  73.57, -34.74)    3.48                55