Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 5 18.  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)
 05/20/2023   01:18:03   ( -73.43, -19.68) 05/20/2023   01:18:45  ( -73.44, -19.59)    3.36                42
 05/20/2023   02:08:47   (  73.32, 147.89) 05/20/2023   02:08:09  (  73.32, 147.81)    2.46                38
 05/22/2023   13:22:07   (  73.42, -20.63) 05/22/2023   13:22:48  (  73.45, -20.62)    3.65                41
 05/22/2023   14:12:51   ( -73.36, 146.82) 05/22/2023   14:12:13  ( -73.34, 146.82)    1.34                38
 05/25/2023   01:26:11   ( -73.46, -21.71) 05/25/2023   01:26:52  ( -73.46, -21.64)    2.30                41
 05/25/2023   02:16:55   (  73.35, 145.84) 05/25/2023   02:16:15  (  73.37, 145.85)    2.24                40
 05/27/2023   13:30:15   (  73.47, -22.71) 05/27/2023   13:30:54  (  73.46, -22.66)    1.40                39
 05/27/2023   14:20:59   ( -73.40, 144.76) 05/27/2023   14:20:19  ( -73.37, 144.80)    3.02                40
 05/30/2023   01:34:18   ( -73.46, -23.67) 05/30/2023   01:34:58  ( -73.45, -23.74)    2.51                40
 05/30/2023   02:25:03   (  73.41, 143.75) 05/30/2023   02:24:20  (  73.40, 143.83)    3.03                43