Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 9 10.  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)
 09/11/2022   16:41:14   ( -72.07, 109.41) 09/11/2022   16:42:08  ( -72.04, 109.40)    2.55                54
 09/11/2022   17:31:58   (  71.96, -83.08) 09/11/2022   17:31:35  (  71.94, -83.13)    2.54                23
 09/14/2022   08:08:17   (  72.07,  57.67) 09/14/2022   08:09:03  (  72.07,  57.69)    0.67                46
 09/14/2022   08:58:59   ( -71.95,-134.80) 09/14/2022   08:58:32  ( -71.95,-134.88)    2.86                27
 09/16/2022   23:35:18   ( -72.06,   5.95) 09/16/2022   23:36:00  ( -72.07,   5.92)    1.08                42
 09/17/2022   00:26:02   (  71.96, 173.45) 09/17/2022   00:25:27  (  71.96, 173.38)    2.34                35
 09/19/2022   15:02:21   (  72.08, -45.82) 09/19/2022   15:02:55  (  72.06, -45.84)    2.56                34
 09/19/2022   15:53:05   ( -72.01, 121.63) 09/19/2022   15:52:24  ( -72.00, 121.69)    2.28                41
 09/22/2022   06:29:23   ( -72.08, -97.55) 09/22/2022   06:29:52  ( -72.09, -97.55)    1.72                29
 09/22/2022   07:20:07   (  71.99,  69.94) 09/22/2022   07:19:19  (  71.98,  69.90)    1.37                48