Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 24.  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)
 03/26/2022   16:52:39   ( -71.47, 106.09) 03/26/2022   16:53:51  ( -71.36, 106.87)   30.31                72
 03/26/2022   17:43:19   (  71.08, -85.93) 03/26/2022   17:43:21  (  71.09, -85.91)    1.33                 2
 03/26/2022   18:34:01   ( -70.98,  81.56) 03/26/2022   18:32:51  ( -70.97,  81.54)    1.28                70
 03/29/2022   08:19:43   (  71.18,  54.84) 03/29/2022   08:20:50  (  71.17,  54.81)    1.61                67
 03/29/2022   09:10:25   ( -71.07,-137.65) 03/29/2022   09:10:20  ( -71.05,-137.74)    3.73                 5
 03/29/2022   10:01:03   (  70.58,  30.47) 03/29/2022   09:59:53  (  70.62,  29.25)   45.28                70
 03/31/2022   23:46:49   ( -71.16,   3.12) 03/31/2022   23:47:48  ( -71.17,   3.05)    2.65                59
 04/01/2022   00:37:35   (  71.09, 170.54) 04/01/2022   00:37:14  (  71.11, 170.61)    3.65                21
 04/01/2022   01:28:04   ( -70.30, -20.84) 04/01/2022   01:26:56  ( -70.35, -22.91)   77.59                68
 04/03/2022   15:13:58   (  71.19, -48.71) 04/03/2022   15:14:42  (  71.16, -48.70)    3.03                44
 04/03/2022   16:04:40   ( -71.07, 118.82) 04/03/2022   16:04:12  ( -71.05, 118.76)    2.90                28
 04/06/2022   06:41:04   ( -71.17,-100.42) 04/06/2022   06:41:40  ( -71.15,-100.48)    2.97                36
 04/06/2022   07:31:49   (  71.06,  67.07) 04/06/2022   07:31:06  (  71.09,  67.07)    3.06                43