Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 8 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)
 08/13/2023   00:14:32   ( -74.12,  -4.21) 08/13/2023   00:15:43  ( -74.03,  -3.53)   23.09                71
 08/13/2023   01:05:14   (  73.87, 163.74) 08/13/2023   01:05:08  (  73.84, 163.73)    2.34                 6
 08/13/2023   01:55:48   ( -73.36, -27.75) 08/13/2023   01:54:39  ( -73.42, -29.52)   56.46                69
 08/15/2023   12:18:33   (  73.93,  -4.73) 08/15/2023   12:19:40  (  73.93,  -4.75)    0.60                67
 08/15/2023   13:09:16   ( -73.87, 162.75) 08/15/2023   13:09:04  ( -73.87, 162.78)    0.87                12
 08/18/2023   00:22:36   ( -73.94,  -5.71) 08/18/2023   00:23:37  ( -73.94,  -5.75)    1.00                61
 08/18/2023   01:13:22   (  73.89, 161.71) 08/18/2023   01:13:00  (  73.86, 161.74)    3.37                22
 08/20/2023   12:26:42   (  73.97,  -6.78) 08/20/2023   12:27:32  (  73.96,  -6.71)    2.42                50
 08/20/2023   13:17:25   ( -73.90, 160.72) 08/20/2023   13:16:56  ( -73.90, 160.81)    2.61                29
 08/23/2023   00:30:45   ( -73.98,  -7.77) 08/23/2023   00:31:28  ( -73.97,  -7.69)    2.44                43
 08/23/2023   01:21:30   (  73.89, 159.75) 08/23/2023   01:20:51  (  73.89, 159.79)    1.16                39
 08/25/2023   12:34:49   (  73.93,  -8.64) 08/25/2023   12:35:23  (  73.95,  -8.76)    3.72                34
 08/25/2023   13:25:33   ( -73.90, 158.76) 08/25/2023   13:24:47  ( -73.88, 158.76)    1.57                46