Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 8 21.  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)
 08/21/2022   13:55:36   (  71.90, -29.08) 08/21/2022   13:55:55  (  71.92, -29.05)    2.20                19
 08/21/2022   14:46:19   ( -71.82, 138.39) 08/21/2022   14:45:25  ( -71.80, 138.38)    2.30                54
 08/24/2022   04:32:08   (  72.65, 110.39) 08/24/2022   04:33:15  (  72.55, 112.67)   76.63                67
 08/24/2022   05:22:38   ( -71.90, -80.81) 08/24/2022   05:22:55  ( -71.90, -80.85)    1.63                17
 08/24/2022   06:13:23   (  71.81,  86.66) 08/24/2022   06:12:22  (  71.80,  86.62)    2.23                61
 08/26/2022   19:59:07   ( -72.54,  58.89) 08/26/2022   20:00:16  ( -72.42,  60.66)   60.77                69
 08/26/2022   20:49:41   (  71.90,-132.56) 08/26/2022   20:49:51  (  71.89,-132.64)    3.30                10
 08/26/2022   21:40:24   ( -71.81,  34.93) 08/26/2022   21:39:20  ( -71.83,  34.90)    2.60                64
 08/29/2022   11:26:06   (  72.30,   7.62) 08/29/2022   11:27:17  (  72.18,   8.47)   31.87                71
 08/29/2022   12:16:43   ( -71.89, 175.73) 08/29/2022   12:16:50  ( -71.91, 175.63)    3.74                 7
 08/29/2022   13:07:28   (  71.83, -16.84) 08/29/2022   13:06:16  (  71.85, -16.82)    3.18                72
 09/01/2022   02:53:06   ( -72.19, -43.88) 09/01/2022   02:54:18  ( -72.09, -43.46)   17.96                72
 09/01/2022   03:43:47   (  71.92, 123.93) 09/01/2022   03:43:46  (  71.92, 123.89)    1.41                 1
 09/01/2022   04:34:29   ( -71.76, -68.45) 09/01/2022   04:33:16  ( -71.82, -68.65)    9.26                73
 09/03/2022   18:20:06   (  72.02, -95.30) 09/03/2022   18:21:15  (  72.03, -95.32)    1.42                69
 09/03/2022   19:10:50   ( -71.96,  72.14) 09/03/2022   19:10:45  ( -71.93,  72.14)    2.93                 5