Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 7 12.  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)
 07/14/2023   01:06:55   ( -73.72, -16.77) 07/14/2023   01:07:25  ( -73.72, -16.78)    0.18                30
 07/14/2023   01:57:40   (  73.62, 150.77) 07/14/2023   01:56:47  (  73.64, 150.72)    2.45                53
 07/16/2023   13:11:02   (  73.71, -17.75) 07/16/2023   13:11:17  (  73.72, -17.76)    1.32                15
 07/16/2023   14:01:44   ( -73.64, 149.74) 07/16/2023   14:00:41  ( -73.66, 149.75)    2.22                63
 07/19/2023   00:24:31   (  74.20, 172.74) 07/19/2023   00:25:40  (  74.10, 174.41)   51.76                69
 07/19/2023   01:15:06   ( -73.73, -18.78) 07/19/2023   01:15:11  ( -73.72, -18.77)    1.28                 5
 07/19/2023   02:05:47   (  73.44, 149.22) 07/19/2023   02:04:35  (  73.53, 148.50)   25.34                72
 07/21/2023   12:28:28   ( -73.83, 172.68) 07/21/2023   12:29:40  ( -73.82, 172.78)    3.56                72
 07/21/2023   13:19:13   (  73.73, -19.78) 07/21/2023   13:19:02  (  73.73, -19.73)    1.57                11
 07/21/2023   14:09:44   ( -73.07, 149.08) 07/21/2023   14:08:37  ( -73.14, 146.71)   77.12                67
 07/24/2023   00:32:34   (  73.79, 171.79) 07/24/2023   00:33:31  (  73.81, 171.78)    2.28                57
 07/24/2023   01:23:17   ( -73.72, -20.72) 07/24/2023   01:22:56  ( -73.75, -20.71)    3.22                21