Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 7 20.  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)
 07/20/2022   20:31:06   (  72.29,-128.99) 07/20/2022   20:32:15  (  72.17,-127.41)   55.10                69
 07/20/2022   21:21:39   ( -71.74,  39.39) 07/20/2022   21:21:51  ( -71.72,  39.44)    2.76                12
 07/20/2022   22:12:24   (  71.61,-153.06) 07/20/2022   22:11:18  (  71.63,-153.07)    1.95                66
 07/23/2022   11:58:03   ( -72.09, 179.68) 07/23/2022   11:59:14  ( -71.96,-179.54)   30.39                71
 07/23/2022   12:48:43   (  71.71, -12.29) 07/23/2022   12:48:44  (  71.70, -12.34)    1.67                 1
 07/23/2022   13:39:25   ( -71.61, 155.20) 07/23/2022   13:38:13  ( -71.63, 155.18)    2.27                72
 07/26/2022   03:25:03   (  71.81, 128.47) 07/26/2022   03:26:10  (  71.81, 128.46)    0.67                67
 07/26/2022   04:15:45   ( -71.71, -64.03) 07/26/2022   04:15:40  ( -71.69, -64.11)    3.09                 5
 07/26/2022   05:06:23   (  71.22, 104.15) 07/26/2022   05:05:13  (  71.27, 102.84)   47.10                70
 07/28/2022   18:52:05   ( -71.81,  76.73) 07/28/2022   18:53:06  ( -71.79,  76.67)    2.61                61
 07/28/2022   19:42:51   (  71.74,-115.84) 07/28/2022   19:42:32  (  71.74,-115.77)    2.36                19
 07/28/2022   20:33:21   ( -71.02,  52.77) 07/28/2022   20:32:13  ( -71.03,  50.71)   74.25                68
 07/31/2022   10:19:10   (  71.80,  25.01) 07/31/2022   10:19:58  (  71.82,  24.98)    2.84                48
 07/31/2022   11:09:53   ( -71.74,-167.57) 07/31/2022   11:09:28  ( -71.71,-167.58)    3.61                25
 08/03/2022   01:46:12   ( -71.85, -26.82) 08/03/2022   01:46:52  ( -71.83, -26.75)    2.87                40