Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 7 16.  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)
 07/19/2023   00:24:31   (  74.19, 172.76) 07/19/2023   00:25:40  (  74.10, 174.41)   51.15                69
 07/19/2023   01:15:06   ( -73.73, -18.77) 07/19/2023   01:15:11  ( -73.72, -18.78)    1.43                 5
 07/19/2023   02:05:47   (  73.43, 149.24) 07/19/2023   02:04:36  (  73.48, 148.40)   27.47                71
 07/21/2023   12:28:28   ( -73.83, 172.69) 07/21/2023   12:29:40  ( -73.81, 172.76)    3.53                72
 07/21/2023   13:19:13   (  73.73, -19.76) 07/21/2023   13:19:02  (  73.73, -19.74)    0.77                11
 07/21/2023   14:09:44   ( -73.06, 149.08) 07/21/2023   14:08:37  ( -73.13, 146.69)   77.84                67
 07/24/2023   00:32:34   (  73.78, 171.80) 07/24/2023   00:33:31  (  73.80, 171.75)    2.04                57
 07/24/2023   01:23:17   ( -73.72, -20.71) 07/24/2023   01:22:56  ( -73.73, -20.75)    1.50                21
 07/26/2023   12:36:39   ( -73.83, 170.72) 07/26/2023   12:37:24  ( -73.82, 170.81)    2.78                45
 07/26/2023   13:27:24   (  73.73, -21.73) 07/26/2023   13:26:46  (  73.75, -21.69)    2.57                38
 07/29/2023   00:40:45   (  73.79, 169.81) 07/29/2023   00:41:14  (  73.82, 169.82)    3.05                29
 07/29/2023   01:31:28   ( -73.72, -22.70) 07/29/2023   01:30:39  ( -73.75, -22.68)    2.82                49