Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 7 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)
 07/18/2022   05:54:37   (  71.73,  91.15) 07/18/2022   05:54:55  (  71.72,  91.20)    1.90                18
 07/18/2022   06:45:19   ( -71.64,-101.37) 07/18/2022   06:44:24  ( -71.65,-101.29)    2.74                55
 07/20/2022   20:31:05   (  72.28,-128.97) 07/20/2022   20:32:14  (  72.19,-127.39)   54.65                69
 07/20/2022   21:21:38   ( -71.73,  39.41) 07/20/2022   21:21:50  ( -71.74,  39.47)    2.55                12
 07/20/2022   22:12:23   (  71.60,-153.04) 07/20/2022   22:11:18  (  71.59,-153.13)    3.33                65
 07/23/2022   11:58:03   ( -72.08, 179.70) 07/23/2022   11:59:14  ( -71.98,-179.50)   29.32                71
 07/23/2022   12:48:43   (  71.70, -12.28) 07/23/2022   12:48:44  (  71.72, -12.31)    2.78                 1
 07/23/2022   13:39:25   ( -71.60, 155.22) 07/23/2022   13:38:14  ( -71.60, 155.13)    3.16                71
 07/26/2022   03:25:03   (  71.80, 128.48) 07/26/2022   03:26:11  (  71.79, 128.41)    2.95                68
 07/26/2022   04:15:45   ( -71.70, -64.01) 07/26/2022   04:15:40  ( -71.72, -64.06)    2.92                 5
 07/26/2022   05:06:23   (  71.22, 104.16) 07/26/2022   05:05:13  (  71.29, 102.88)   46.61                70
 07/28/2022   18:52:05   ( -71.80,  76.75) 07/28/2022   18:53:06  ( -71.83,  76.73)    2.98                61
 07/28/2022   19:42:51   (  71.74,-115.83) 07/28/2022   19:42:33  (  71.72,-115.81)    2.03                18
 07/28/2022   20:33:21   ( -71.01,  52.78) 07/28/2022   20:32:13  ( -71.07,  50.77)   72.93                68
 07/31/2022   10:19:09   (  71.80,  25.01) 07/31/2022   10:19:58  (  71.81,  24.96)    2.36                49
 07/31/2022   11:09:52   ( -71.74,-167.56) 07/31/2022   11:09:27  ( -71.75,-167.50)    2.60                25