Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 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)
 05/21/2022   03:40:25   (  71.43, 124.69) 05/21/2022   03:41:13  (  71.41, 124.63)    3.06                48
 05/21/2022   04:31:09   ( -71.36, -67.88) 05/21/2022   04:30:42  ( -71.34, -67.85)    3.06                27
 05/23/2022   19:07:29   ( -71.42,  72.96) 05/23/2022   19:08:08  ( -71.41,  72.87)    3.21                39
 05/23/2022   19:58:14   (  71.36,-119.63) 05/23/2022   19:57:34  (  71.36,-119.56)    2.56                40
 05/26/2022   10:34:35   (  71.42,  21.20) 05/26/2022   10:35:00  (  71.45,  21.20)    2.91                25
 05/26/2022   11:25:19   ( -71.36,-171.37) 05/26/2022   11:24:30  ( -71.33,-171.35)    2.74                49
 05/29/2022   01:11:09   (  72.16, 160.76) 05/29/2022   01:12:16  (  72.06, 162.84)   71.97                67
 05/29/2022   02:01:40   ( -71.42, -30.55) 05/29/2022   02:01:55  ( -71.46, -30.54)    3.54                15
 05/29/2022   02:52:24   (  71.32, 136.95) 05/29/2022   02:51:22  (  71.34, 136.93)    3.04                62
 05/31/2022   16:38:06   ( -71.75, 109.79) 05/31/2022   16:39:18  ( -71.66, 110.41)   24.27                72
 05/31/2022   17:28:46   (  71.44, -82.33) 05/31/2022   17:28:47  (  71.44, -82.31)    1.21                 1
 05/31/2022   18:19:29   ( -71.32,  85.19) 05/31/2022   18:18:17  ( -71.33,  85.15)    1.50                72