Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 6 8.  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)
 06/09/2023   01:00:18   (  74.16, 163.32) 06/09/2023   01:01:25  (  74.05, 165.79)   76.28                67
 06/09/2023   01:50:50   ( -73.51, -27.77) 06/09/2023   01:50:59  ( -73.49, -27.76)    1.45                 9
 06/09/2023   02:41:34   (  73.40, 139.80) 06/09/2023   02:40:22  (  73.39, 139.69)    3.50                72
 06/11/2023   13:04:21   ( -73.96, 162.84) 06/11/2023   13:05:30  ( -73.85, 164.32)   47.13                69
 06/11/2023   13:54:58   (  73.51, -28.76) 06/11/2023   13:54:57  (  73.53, -28.70)    3.26                 1
 06/11/2023   14:45:37   ( -73.19, 139.27) 06/11/2023   14:44:25  ( -73.29, 138.47)   28.06                72
 06/14/2023   01:08:22   (  73.62, 162.66) 06/14/2023   01:09:33  (  73.59, 162.75)    4.25                71
 06/14/2023   01:59:05   ( -73.50, -29.76) 06/14/2023   01:58:58  ( -73.52, -29.74)    2.10                 7
 06/14/2023   02:49:38   (  72.85, 139.03) 06/14/2023   02:48:31  (  72.87, 136.62)   78.92                67
 06/16/2023   13:12:28   ( -73.58, 161.77) 06/16/2023   13:13:34  ( -73.57, 161.67)    3.19                66
 06/16/2023   14:03:13   (  73.52, -30.79) 06/16/2023   14:02:56  (  73.50, -30.82)    2.88                17
 06/19/2023   01:16:35   (  73.60, 160.73) 06/19/2023   01:17:29  (  73.62, 160.76)    2.34                54
 06/19/2023   02:07:19   ( -73.53, -31.80) 06/19/2023   02:06:55  ( -73.51, -31.82)    2.64                24
 06/21/2023   13:20:42   ( -73.61, 159.70) 06/21/2023   13:21:29  ( -73.61, 159.72)    0.87                47
 06/21/2023   14:11:26   (  73.51, -32.75) 06/21/2023   14:10:51  (  73.52, -32.80)    2.23                35